Beschta R.L., Ripple W.J..  2019.  Yellowstone’s Prehistoric Bison: A Comment on Keigley (2019). Rangelands. 41(3):149-151.

Ripple W.J., Wolf C., Newsome T.M., Galetti M., Alamgir M, Crist E, Mahmoud M.I., Laurance W.F..  2017.  World Scientists’ Warning to Humanity: A Second Notice. Bioscience.

Ripple W.J., Wolf C., Newsome T.M., Barnard P, Moomaw WR.  2020.  World Scientists’ Warning of a Climate Emergency. BioScience. 70(1):8–12.

Beschta R.L., Ripple W.J..  2008.  Wolves, trophic cascades, and rivers in the Olympic National Park, USA. Ecohydrology. 1:118-130.

Ripple W.J., Beschta R.L., Fortin J.K., Robbins C.T..  2015.  Wolves trigger a trophic cascade to berries as alternative food for grizzly bears. Journal of Animal Ecology. 84:652-654.

Ripple W.J., Beschta R.L..  2004.  Wolves, elk, willows, and trophic cascades in the upper Gallatin Range of Southwestern Montana, USA.. Forest Ecology and Management. 200:161-181.

Ripple W.J., Painter L.E., Beschta R.L., Gates C.C..  2010.  Wolves, Elk, Bison, and Secondary Trophic Cascades in Yellowstone National Park. The Open Ecology Journal. 3:31-37.

Beschta R.L., Ripple W.J..  2007.  Wolves, elk, and aspen in the winter range of Jasper National Park, Canada.. Canadian Journal of Forest Research. 37:1873-1885.

Ripple W.J., Beschta R.L..  2004.  Wolves and the Ecology of Fear: Can Predation Risk Structure Ecosystems? BioScience. 54(8):755-766.

Beschta R.L., Ripple W.J..  2018.  Wolf-triggered trophic cascades and stream channel dynamics in Olympic National Park: a comment on East et al.. Earth Surf. Process. Landforms.

Ripple W.J., Beschta R.L..  2003.  Wolf reintroduction, predation risk, and cottonwood recovery in Yellowstone National Park.. Forest Ecology and Management. 184:299-313.

Ripple W.J., Beschta R.L..  2005.  Willow thickets protect young aspen from elk browsing after wolf reintroduction.. Western North American Naturalist. 65(1):118-122.

Gray T.N.E., Lynam A.J., Seng T., Laurance W.F., Long B., Scotson L., Ripple W.J..  2017.  Wildlife-snaring crisis in Asian forests. Science. 355(6322):255-256.

Gray T.N.E., Hughes A.C., Laurance W.F., Long B., Lynam A.J., O'Kelly H., Ripple W.J., Seng T., Scotson L., Wilkinson N.M..  2018.  The wildlife snaring crisis: an insidious and pervasive threat to biodiversity in Southeast Asia. Biodivers Conserv. 27:1031–1037.

Laliberte A.S., Ripple W.J..  2003.  Wildlife Encounters by Lewis and Clark: A Spatial Analysis of Interactions between Native Americans and Wildlife.. BioScience. 53(10):994-1003.

Ripple W.J., Wirsing A.J., Wilmers C.C., Letnic M..  2013.  Widespread mesopredator effects after wolf extirpation. Biological Conservation. 160:70-79.

Newsome T.M., Bruskotter J.T., Ripple W.J..  2015.  When shooting a coyote kills a wolf: Mistaken identity or misguided management? Biodivers Conserv. 24(12)

Wallach A.D., Izhaki I., Toms J.D., Ripple W.J., Shanas U..  2015.  What is an apex predator? Oikos. 124(11):1453-1461.

Ripple W.J., Estes J.A., Schmitz O.J., Constant V., Kaylor M.J., Lenz A., Motley J.L., Self K.E., Taylor D.S., Wolf andC.  2016.  What is a Trophic Cascade? Trends in Ecology and Evolution. 31(11):824-849.

Johns D, Terborgh J., Estes J.A., Foreman D, Miller B.J., Noss R, Soule M.E., Ripple W.J..  2017.  We Need a Biologically Sound North American Conservation Plan. Bioscience.

Bradshaw C.J.A., Ehrlich P.R., Beattie A., Ceballos G., Crist E, Diamond J., Dirzo R., Ehrlich A.H., Harte J., Harte M.E. et al..  2021.  Underestimating the Challenges of Avoiding a Ghastly Future. Front. Conserv. Sci.

Estes J.A., Terborgh J., Brashares J.S., Power M.E., Berger J., Bond W.J., Carpenter S.R., Essington T.E., Holt R.D., Jackson J.B.C. et al..  2011.  Trophic Downgrading of Planet Earth. Science. 333:301-306.

Miller B.J., Harlow H.J., Harlow T.S., Biggins D., Ripple W.J..  2012.  Trophic cascades linking wolves (Canis lupus), coyotes (Canis latrans), and small mammals. Can. J. Zool.. 90:70-78.

Ripple W.J., Beschta R.L..  2008.  Trophic cascades involving cougar, mule deer, and black oaks in Yosemite National Park. Biological Conservation. 141(5):1249-1256.

Ripple W.J., Beschta R.L..  2012.  Trophic cascades in Yellowstone: The first 15 years after wolf reintroduction. Biological Conservation. 145:205-213.

Ripple W.J., Beschta R.L., Fortin J.K., Robbins C.T..  2013.  Trophic cascades from wolves to grizzly bears in Yellowstone. Journal of Animal Ecology. 83(1):223-233.

Ripple W.J., Beschta R.L., Painter L.E..  2015.  Trophic cascades from wolves to alders in Yellowstone. Forest Ecology and Management. 354:254-260.

Beschta R.L., Painter L.E., Ripple W.J..  2018.  Trophic cascades at multiple spatial scales shape recovery of young aspen in Yellowstone. Forest Ecology and Management. 413:62-69.

Painter L.E..  2013.  Trophic Cascades and Large Mammals in the Yellowstone Ecosystem.

Ripple W.J., Larsen E.J., Renkin R.A., Smith D.W..  2001.  Trophic Cascades among wolves, elk and aspen on Yellowstone National Park's northern range.. Biological Conservation. 102:227-234.

McAlpine C.A., Seabrook L.M., Ryan J.G., Feeney B.J., Ripple W.J., Ehrlich A.H., Ehrlich P.R..  2015.  Transformational change: creating a safe operating space for humanity. Ecology and Society. 20(1)

Sergio F., Schmitz O.J., Krebs C.J., Holt R.D., Heithaus M.R., Wirsing A.J., Ripple W.J., Ritchie E., Ainley D., Oro D. et al..  2014.  Towards a cohesive, holistic view of top predation: a definition, synthesis and perspective. Oikos Journal. 123:1234-1243.

Newsome T.M., Greenville A.C., Cirovic D, Dickman C.R., Johnson C.N., Krofel M, Letnic M., Ripple W.J., Ritchie E.G., Stoyanov S et al..  2017.  Top predators constrain mesopredator distributions. Nature Communications. 8(15469)

Shackelford N, Standish R.J., Ripple W.J., Starzomski B.M..  2018.  Threats to biodiversity from cumulative human impacts in one of North America's last wildlife frontiers. Conservation Biology. 32(3):672-684.

Painter L.E., Tercek MT.  2020.  Tall willow thickets return to northern Yellowstone. Ecosphere. 11(5):e03115.

Harwatt H, Sabate J, Eshel G, Soret S, Ripple W.J..  2017.  Substituting beans for beef as a contribution toward US climate change targets. Climatic Change.

Ripple W.J., Estes J.A., Beschta R.L., Wilmers C.C., Ritchie E.G., Hebblewhite M., Berger J., Elmhagen B., Letnic M., Nelson M.P et al..  2014.  Status and Ecological Effects of the World's Largest Carnivores. Science. 343(6167)

Malcom J, Schwartz M.W., Evansen M., Ripple W.J., Polasky S., Gerber L.R., Lovejoy T.E., Talbot L.M., Miller J.R.B..  2019.  Solve the biodiversity crisis with funding. Science. 365(6459):1256.

Ripple W.J., Wolf C., Newsome T.M., Hoffmann M., Wirsing A.J., McCauley D.J..  2017.  Smallest terrestrial vertebrates are highly imperiled. PNAS.

Millward L.S., Wilson T.M., Weldy M.J., Rowland M.M., Duarte A., Lesmeister D.B., Ripple W.J..  2022.  Small mammal relative abundance within riparian ecosystems of the Blue Mountains. Forest Ecology and Management. 505

Brown C, Rinaldi CE, Ripple W.J., Van Valkenburgh B..  2020.  Skeletal and Dental Development Preserve Evidence of Energetic Stress in the Moose of Isle Royale. Frontiers in Ecology and Evolution.

Greenville A.C., Newsome T.M., Wardle G.M., Dickman C.R., Ripple W.J., Murray B.R..  2020.  Simultaneously operating threats cannot predict extinction risk. Conservation Letters. e12758

Gordon C.E., Eldridge D.J., Ripple W.J., Crowther M.S., Moore B.D., Letnic M..  2016.  Shrub encroachment is linked to extirpation of an apex predator. Journal of Animal Ecology. 86(1):147-157.

Albert JS, Destouni G, Duke-Sylvester SM, Magurran AE, Oberdorff T, Reis RE, Winemiller KO, Ripple W.J..  2020.  Scientists’ warning to humanity on the freshwater biodiversity crisis. Ambio.

Heleno R.H., Ripple W.J., Traveset A.  2020.  Scientists’ warning on endangered food webs. Web Ecology. 20:1-10.

Harwatt H, Ripple W.J., Chaudhary A, Betts M.G., Hayek MN.  2019.  Scientists call for renewed Paris pledges to transform agriculture. The Lancet Planetary Health.

Ripple W.J., Chapron G., Lopez-Bao J.V., Durant S.M., Macdonald D.W., Lindsey P.A., Bennett E.L., Beschta R.L., Bruskotter J.T., Campos-Arceiz A. et al..  2016.  Saving the World's Terrestrial Megafauna. BioScience. 66(10):807-812.

Ripple W.J., Meijaard E., Newsome T.M..  2018.  Saving the World with Satire: A Response to Chapron et al.. Trends in Ecology & Evolution. 33(7):483-484.

Rosenblatt A.E., Heithaus M.R., Mather M.E., Matich P., Nifong J.C., Ripple W.J., Silliman. B.R..  2013.  The Roles of Large Top Predators in Coastal Ecosystems: New Insights from Long Term Ecological Research. Oceanography. 26(3):156-167.

Ripple W.J., Wolf C., Galetti M., Newsome T.M., Green T.L., Alamgir M, Crist E, Mahmoud M.I., Laurance W.F..  2018.  The Role of Scientists’ Warning in Shifting Policy from Growth to Conservation Economy. Bioscience. 68(4):239-240.

Ripple W.J., Larsen E.J..  2001.  The Role of Postfire Coarse Woody Debris in Aspen Regeneration.. Western North American Naturalist. 16(2):61-64.

Beschta R.L., Ripple W.J..  2012.  The role of large predators in maintaining riparian plant communities and river morphology. Geomorphology. 157-158:88-98.

Beschta R.L., Ripple W.J..  2006.  River channel dynamics following extirpation of wolves in northwestern Yellowstone National Park,USA.. Earth Surface Processes and Landforms. 31:1525-1539.

Prugh L.R., Stoner C.J., Epps C.W., Bean W.T., Ripple W.J., Laliberte A.S., Brashares J.S..  2009.  The Rise of the Mesopredator. Bioscience. 59(9):779-791.

Beschta R.L., Ripple W.J..  2016.  Riparian vegetation recovery in Yellowstone: The first two decades after wolf reintroduction. Biological Conservation. 198:93-103.

Everatt K.T., Andresen L., Ripple W.J., Kerley G.I.H..  2016.  Rhino poaching may cause atypical trophic cascades. Frontiers in Ecology and Environment. 14:65-67.

Beschta R.L., Painter L.E., Ripple W.J..  2023.  Revisiting trophic cascades and aspen recovery in northern Yellowstone. Food Webs. 36(e00276)

Ripple W.J., Beschta R.L..  2007.  Restoring Yellowstone's aspen with wolves.. Biological Conservation. 138:514-519.

Manning A.D., Gordon I.J., Ripple W.J..  2009.  Restoring landscapes of fear with wolves in the Scottish Highlands. Biological Conservation.

Batchelor J.L., Ripple W.J., Wilson T.M., Painter L.E..  2015.  Restoration of Riparian Areas Following the Removal of Cattle in the Northwestern Great Basin. Environmental Management. 55(4):930–942.

Newsome T.M., Ballard G.A., Crowther M.S., Dellinger J.A., Fleming P.J.S., Glen A.S., Greenville A.C., Johnson C.N., Letnic M., Moseby K.E. et al..  2015.  Resolving the value of the dingo in ecological restoration. Restoration Ecology. 23(3):201-208.

Larsen E.J., Ripple W.J..  1997.  Remote Sensing of Aspen Change in Northern Yellowstone National Park..

Lindsey P.A., Chapron G., Petracca L.S., Burnham D., Hayward M.W., Henschel P., Hinks A.E., Garnett S.T., Macdonald D.W., Macdonald E.A. et al..  2017.  Relative efforts of countries to conserve world’s megafauna. Global Ecology and Conservation. 10:243–252.

Ripple W.J., Beschta R.L..  2005.  Refugia from browsing as reference sites for restoration planning.. Western North American Naturalist. 65(2):269-273.

Swain M, Blomqvist L, McNamara J, Ripple W.J..  2017.  Reducing the environmental impact of global diets. Science of the Total Environment. 610-611:1207–1209.

Beschta R.L..  2005.  Reduced Cottonwood Recruitment Following Extirpation of Wolves in Yellowstone's Northern Range.. Ecology. 86(2):391-403.

Beschta R.L., Ripple W.J..  2010.  Recovering Riparian Plant Communities with Wolves in Northern Yellowstone, USA. Restoration Ecology. 18(3):380-389.

Painter L.E., Beschta R.L., Larsen E.J., Ripple W.J..  2015.  Recovering aspen follow changing elk dynamics in Yellowstone: evidence of a trophic cascade? Ecology. 96(1):252-263.

Halofsky J.S., Ripple W.J., Beschta R.L..  2008.  Recoupling fire and aspen recruitment after wolf reintroduction in Yellowstone National Park, USA. Forest Ecology and Management. 256:1004-1008.

Beschta R.L., Ripple W.J..  2005.  Rapid Assessment of Riparian Cottonwood Recruitment: Middle Fork John Day River, Northeastern Oregon.. Ecological Restoration. 23(3):150-156.

Wolf C., Ripple W.J..  2017.  Range contractions of the world’s large carnivores. R. Soc. open sci.. 4(170052)

Laliberte A.S., Ripple W.J..  2004.  Range Contractions of North American Carnivores and Ungulates.. BioScience. 54(2):123-138.

Wolf C., Ripple W.J..  2016.  Prey depletion as a threat to the world's large carnivores. Royal Society Open Science.

Dellinger J.A., Shores C.R., Craig A., Kachel S.M., Heithaus M.R., Ripple W.J., Wirsing A.J..  2022.  Predators reduce niche overlap between sympatric prey. Oikos.

Holm S.R., Noon B.R, Wiens J.D, Ripple W.J.  2016.  Potential trophic cascades triggered by the barred owl range expansion. The Wildlife Society Bulletin. 40(4):615-624.

Virgos E, Lozano J., Cabezas-Dı´az S., Macdonald D.W., Zalewski A., Atienza J.C., Proulx G., Ripple W.J., Rosalino L.M., Santos-Reis M. et al..  2016.  A poor international standard for trap selectivity threatens carnivore conservation. Biodivers Conserv.

Courchamp F., Jaric I., Albert C, Meinard Y., Ripple W.J., Chapron G..  2018.  The paradoxical extinction of the most charismatic animals. PLoS Biol. 16(4):e2003997.

Wallach A.D., Ripple W.J., Carroll S.P..  2015.  Novel trophic cascades: apex predators enable coexistence. Trends in Ecology & Evolution. 30:146-153.

Lundgren E.J., Ramp D., Middleton O.S., Wooster E.I.F., Kusch E., Balisi M., Ripple W.J., Hasselerharm C.D., Sanchez J.N., Mills M et al..  2022.  A novel trophic cascade between cougars and feral donkeys shapes desert wetlands. Journal of Animal Ecology.

Newsome T.M., Fleming P.J.S., Dickman C.R., Doherty TS, Ripple W.J., Ritchie E.G., Wirsing A.J..  2017.  A New Dog. BioScience. 67(4):374-381.

Hayward M.W., Ripple W.J., Kerley G.I.H., Landman M., Plotz R.D., Garnett S.T..  2017.  Neocolonial Conservation: Is Moving Rhinos to Australia Conservation or Intellectual Property Loss. Conservation Letters.

Peters R., et al.  2018.  Nature Divided, Scientists United: US–Mexico Border Wall Threatens Biodiversity and Binational Conservation. Bioscience.

Hollenbeck J.P..  2006.  Multi-scale Relationships Between Aspen and Birds in the Northern Yellowstone Ecosystem..

Newsome T.M., Barton B.T., Buck JC, DeBruyn J, Spencer E, Ripple W.J., Barton PS.  2021.  Monitoring the dead as an ecosystem indicator. Ecology and Evolution. 11(11):5844-5856.

Larsen T., Ripple W.J..  2006.  Modeling Gray Wolf (Canis lupus) Habitat in the Pacific Northwest, U.S.A.. Journal of Conservation Planning. 2:17-33.

Beschta R.L., Ripple W.J..  2010.  Mexican wolves, elk, and aspen in Arizona: Is there a trophic cascade? Forest Ecology and Management. 260:915-922.

van Eeden LM, Crowther M.S., Dickman C.R., Macdonald D.W., Ripple W.J., Ritchie E.G., Newsome T.M..  2018.  Managing conflict between large carnivores and livestock. Conservation Biology. 32(1):26-34.

Beschta R.L., Painter L.E., Levi T., Ripple W.J..  2016.  Long-term aspen dynamics, trophic cascades, and climate in northern Yellowstone National Park. Canadian Journal of Forest Research. 46:548-556.

Ripple W.J., Beschta R.L..  2006.  Linking wolves to willows via risk-sensitive foraging by ungulates in the northern Yellowstone ecosystem.. Forest Ecology and Management. 230(1-3):96-106.

Ripple W.J., Beschta R.L..  2005.  Linking Wolves and Plants: Aldo Leopold on Trophic Cascades.. BioScience. 55(7):613-621.

Ripple W.J., Valkenburgh B.V..  2010.  Linking Top-down Forces to the Pleistocene Megafaunal Extinctions. BioScience. 60(7):516-526.

Ripple W.J., Beschta R.L..  2006.  Linking a cougar decline, trophic cascade, and catastrophic regime shift in Zion National Park.. Biological Conservation. 133:397-408.

Halofsky J., Ripple W.J..  2008.  Linkages between wolf presence and aspen recruitment in the Gallatin elk winter range of southwestern Montana, USA.. Forestry: An International Journal of Forest Research. 81(2):195-207.

Letnic M., Ripple W.J..  2017.  Large-scale responses of herbivore prey to canid predators and primary productivity. Global Ecol Biogeogr.

Wolf C., Betts M.G., Levi T., Newsome T.M., Ripple W.J..  2018.  Large species within carnivora are large carnivores. Royal Society Open Science. 5:181228.

Ripple W.J., Beschta R.L..  2012.  Large predators limit herbivore densities in northern forest ecosystems. Eur J Wildl Res. 58(4)

Ripple W.J., Rooney T.P., Beschta R.L..  2010.  Large Predators, Deer, and Trophic Cascades in Boreal and Temperate Ecosystems. Trophic Cascades: Predators, Prey, and the Changing Dynamics of Nature, edited by J. Terborgh and J. Estes.. :141-161.

Beschta R.L., Ripple W.J..  2009.  Large predators and trophic cascades in terrestrial ecosystems of the western United States. Biological Conservation. 142:2401-2414.

Ripple W.J., Miller S.D., Schoen J.W., Rabinowitch S.P..  2019.  Large carnivores under assault in Alaska. PLoS Biol. 17(1):e3000090.

Beschta R.L., Ripple W.J..  2020.  Large carnivore extirpation linked to loss of overstory aspen in Yellowstone. Food Webs. :e00140.

Laundre J.W., Hernandez L., Ripple W.J..  2010.  The Landscape of Fear: Ecological Implications of Being Afraid. The Open Ecology Journal. 3:1-7.

Wallach A.D., Lundgren E.J., Ripple W.J., Ramp D..  2018.  Invisible megafauna. Conservation Biology.

Lundgren E.J., Ramp D., Ripple W.J., Wallach A.D..  2018.  Introduced megafauna are rewilding the Anthropocene. Ecography. 41(6):857-866.

Buck JC, Ripple W.J..  2017.  Infectious Agents Trigger Trophic Cascades. Trends in Ecology & Evolution.

Beschta R.L., Ripple W.J..  2007.  Increased Willow Heights along northern Yellowstone's Blacktail Deer Creek following wolf reintroduction.. Western North American Naturalist. 67(4):613-617.

Dellinger J.A., Shores C.R., Marsh M., Heithaus M.R., Ripple W.J., Wirsing A.J..  2018.  Impacts of recolonizing gray wolves (Canis lupus) on survival and mortality in two sympatric ungulates. Can. J. Zool.. 96:760–768.

Oksanen T., Oksanen L., Vuorinen K.E.M., Wolf C., Mäkynen A., Olofsson J., Ripple W.J., Virtanen R., Utsi T.A..  2020.  The impact of thermal seasonality on terrestrial endotherm food web dynamics: a revision of the Exploitation Ecosystem Hypothesis. Ecography. 43(12):1859-1877.

Valkenburgh B.V., Hayward M.W., Ripple W.J., Meloro C., Roth V.L..  2015.  The impact of large terrestrial carnivores on Pleistocene ecosystems. PNAS. 113(4):862-867.

Sarasola J.H., Zanón-Martínez J.I., Costán A.S., Ripple W.J..  2016.  Hypercarnivorous apex predator could provide ecosystem services by dispersing seeds. Scientific Reports. 6

Cromsight J., Kuijper D.P.J., Adam M., Beschta R.L., Churski M., Eycott A., Kerley G.I.H., Mysterud A., Schmidt K., West K..  2013.  Hunting for fear: innovating management of human-wildlife conflicts. Journal of Applied Ecology. 50(3):544-549.

Ripple W.J., Beschta R.L., Painter L.E..  2022.  The history of cougars in Yellowstone National Park. Western North American Naturalist. 82(4):752–759.

Ripple W.J., Larsen E.J..  2000.  Historic aspen recruitment, elk, and wolves in northern Yellowstone National Park, USA.. Biological Conservation. 95:361-370.

Ripple W.J., Beschta R.L..  2007.  Hardwood tree decline following large carnivore loss on the Great Plains, USA.. Frontiers in Ecology and Environment. 5(5):241-246.

Dellinger J.A., Shores C.R., Craig A., Heithaus M.R., Ripple W.J., Wirsing A.J..  2019.  Habitat use of sympatric prey suggests divergent anti‑predator responses to recolonizing gray wolves. Oecologia.

Carver S, Convery I, Hawkins S, Beyers R, Eagle A, Kun Z, Van Maanen E, Cao Y, Fisher M, et al..  2021.  Guiding principles for rewilding. Conservation Biology.

Janeiro-Otero A, Newsome T.M., van Eeden LM, Ripple W.J., Dormann C.F..  2020.  Grey wolf (Canis lupus) predation on livestock in relation to prey availability. Biological Conservation. 243(108433)

Barton B.T., Hill JG, Wolff CL, Newsome T.M., Ripple W.J., Lashley M.A..  2019.  Grasshopper consumption by grey wolves and implications for ecosystems. Ecology. :e02892.

Kemppinen K.M.S., Collins P.M., Hole D.G., Wolf C., Ripple W.J., Gerber L.R..  2020.  Global reforestation and biodiversity conservation. Conservation Biology. 34(5):1221-1228.

Betts M.G., Wolf C., Ripple W.J., Phalan B., Millers K.A., Duarte A., Butchart S.H.M., Levi T..  2017.  Global forest loss disproportionately erodes biodiversity in intact landscapes. Nature. 547:441–444.

Ingeman KE, Zhao LZ, Wolf C., Williams DR, Ritger AL, Ripple W.J., Kopecky KL, Dillon EM, DiFiore BP, Curtis JS et al..  2022.  Glimmers of hope in large carnivore recoveries. Scientific Reports. 12:10005.

Wolf C., Levi T., Ripple W.J., Zárrate-Charry D.A., Betts M.G..  2021.  A forest loss report card for the world’s protected areas. Nat Ecol Evol.

Newsome T.M., Boitani L., Chapron G., Ciucci P., Dickman C.R., Dellinger J.A., Lopez-Bao J.V., Peterson R.O., Shores C.R., Wirsing A.J. et al..  2016.  Food habits of the world's grey wolves. Mammal Review. 46:255-269.

Halofsky J.S., Ripple W.J..  2008.  Fine-scale predation risk on elk after wolf reintroduction in Yellowstone National Park, USA.. Oecologia/Springer-Verlag. 155:869–877.

Ripple W.J., Wolf C., Newsome T.M., Hoffmann M., Wirsing A.J., McCauley D.J..  2017.  Extinction risk is most acute for the world’s largest and smallest vertebrates. PNAS. 114(40):10678–10683.

Betts M.G., Wolf C., Pfeifer M., Banks-Leite C., Arroyo-Rodríguez V., Ribeiro D.B., Barlow J., Eigenbrod F., Faria D., Fletcher R.J. et al..  2019.  Extinction filters mediate the global effects of habitat fragmentation on animals. Science. 366:1236–1239.

Halofsky J.S..  2007.  Evidence of a Trophic Cascade among Wolves, Elk, and Aspen in Yellowstone National Park, USA.. Dissertation

Batavia C, Nelson M.P., Darimont C.T., Paquet P.C., Ripple W.J., Wallach A.D..  2018.  The elephant (head) in the room: A critical look at trophy hunting. Conservation Letters. :e12565.

Eisenberg C., Hibbs D.E., Ripple W.J..  2015.  Effects of predation risk on elk (Cervus elaphus) landscape use in a wolf (Canis lupus) dominated system. Can. J. Zool.. 93:99-111.

Painter L.E., Ripple W.J..  2012.  Effects of bison on willow and cottonwood in northern Yellowstone National Park. Forest Ecology and Management. 264:150-158.

Newsome T.M., Dellinger J.A., Pavey C.R., Ripple W.J., Shores C.R., Wirsing A.J., Dickman C.R..  2014.  The ecological effects of providing resource subsidies to predators. Global Ecology and Biogeography. 24(1):1-11.

Klein D.R., McCullough D.R., Diaz B.A., Cheville N., Graham R.W., Gross J.E., MacMahon J., Mathews N.E., Patten D.T., Ralls K. et al..  2002.  Ecological Dynamics on Yellowstone's Northern Range.. The National Acadamy of Science.

Wolf C., Ripple W.J., Betts M.G., Levi T., Peres C.A..  2019.  Eating plants and planting forests for the climate. Global Change Biology. 25(12):3995-3995.

Ripple W.J., Newsome T.M., Kerley G.I.H..  2016.  Does Trophy Hunting Support Biodiversity? A Response to Di Minin et al. Trends in Ecology and Evolution. 31(7):495-496.

Beschta R.L., Ripple W.J..  2015.  Divergent patterns of riparian cottonwood recovery after the return of wolves in Yellowstone, USA. Ecohydrology. 8:58-66.

Beschta R.L..  2003.  Cottonwoods, elk, and wolves in the Lamar Valley of Yellowstone National Park.. Ecological Applications. 13(5):1295-1309.

Newsome T.A., Ripple W.J..  2014.  A continental scale trophic cascade from wolves through coyotes to foxes. Journal of Animal Ecology.

Eisenberg C., Hibbs D.E., Ripple W.J., Salwasser H..  2014.  Context dependence of elk (Cervus elaphus) vigilance and wolf (Canis lupus) predation risk. Can. J. Zool. 92:727-736.

Ripple W.J., Chapron G., Lopez-Bao J.V., Durant S.M., Macdonald D.W., Lindsey P.A., Bennett E.L., Beschta R.L..  2017.  Conserving the World's Megafauna and Biodiversity: The Fierce Urgency of Now. Bioscience. 67(3):197-200.

Wirsing A.J., Ripple W.J..  2011.  A comparison of shark and wolf research reveals similar behavioral responses by prey. Frontiers in Ecology and the Environment. 9(6):335-341.

Levi T., Hilderbrand G.V., Hocking M.D., Quinn T.P., White K.S., Adams M.S., Armstrong J.B., Crupi A.P., Darimont C.T., Deacy W. et al..  2020.  Community Ecology and Conservation of Bear-Salmon Ecosystems. Front. Ecol. Evol.

Ripple W.J., Smith P., Haberl H., Montzka S.A., McAlpine C., Boucher D.H..  2014.  Commentary: Ruminants, climate change and climate policy. Nature Climate Change. 4:2-5.

Ripple W.J., Newsome T.M., Wolf C., Dirzo R., Everatt K.T., Galetti M., Hayward M.W., Kerley G.I.H., Levi T., Lindsey P.A. et al..  2015.  Collapse of the world's largest herbivores. Science Advances. 1(4)

van Eeden LM, Eklund A, Miller J.R.B., Lopez-Bao J.V., Chapron G., Cejtin M.R., Crowther M.S., Dickman C.R., Frank J., Krofel M et al..  2018.  Carnivore conservation needs evidence based livestock protection. PLoS Biol. 16(9):e2005577.

Newsome T.M., Ripple W.J..  2015.  Carnivore coexistence: Trophic cascades. Science. 347:383-383.

Buotte P.C., Law B.E., Ripple W.J., Berner L.T..  2020.  Carbon sequestration and biodiversity co-benefits of preserving forests in the western United States. Ecological Applications. 30(2):e02039.

Hayek MN, Harwatt H, Ripple W.J., Mueller ND.  2021.  The carbon opportunity cost of animal-sourced food production on land. Nature Sustainability. 4:21-24.

Ripple W.J., Wirsing A.J., Beschta R.L., Buskirk S.W..  2011.  Can Restoring Wolves Aid in Lynx Recovery? Wildlife Society Bulletin. 35(4):514-518.

Beschta R.L., Ripple W.J..  2019.  Can large carnivores change streams via a trophic cascade? Ecohydrology. 12(1):e2048.

Ripple W.J., Abernethy K., Betts M.G., Chapron G., Dirzo R., Galetti M., Levi T., Lindsey P.A., Macdonald D.W., Machovina B. et al..  2016.  Bushmeat hunting and extinction risk to the world's mammals. The Royal Society Open Science.

Ripple W.J., Wolf C., Newsome T.M., Hoffmann M., Wirsing A.J., McCauley D.J..  2018.  Both the largest and smallest vertebrates have elevated extinction risk. PNAS. 115(26):E5847-E5848.

Beschta R.L., Ripple W.J., Kauffman J.B., Painter L.E..  2020.  Bison limit ecosystem recovery in northern Yellowstone. Food Webs. 23(e00142)

Painter L.E., Beschta R.L., Ripple W.J..  2023.  Bison alter the northern Yellowstone ecosystem by breaking aspen saplings. Ecology and Evolution. 13(8):e10369.

Machovina B., Feeley K.J., Ripple W.J..  2015.  Biodiversity conservation: The key is reducing meat consumption. Science of the Total Environment. 536:419-431.

Beschta R.L., Ripple W.J..  2012.  Berry-producing shrub characteristics following wolf reintroduction in Yellowstone National Park. Forest Ecology and Management. 276:132-138.

Larsen E.J., Ripple W.J..  2005.  Aspen Stand Conditions on Elk Winter Ranges in the Northern Yellowstone Ecosystem, USA.. Natural Areas Journal. 25(4):326-338.

Hollenbeck J.P., Ripple W.J..  2007.  Aspen snag dynamics, cavity-nesting birds, and trophic cascades in Yellowstone's northern range.. Forestry Ecology and Management. 255:1095-1103.

Painter L.E., Beschta R.L., Larsen E.J., Ripple W.J..  2018.  Aspen recruitment in the Yellowstone region linked to reduced herbivory after large carnivore restoration. Ecosphere. 9(8):e02376.

Hollenbeck J.P., Ripple W.J..  2007.  Aspen patch and migratory bird relationships in the northern Yellowstone ecosystem.. Landscape Ecology. 22(9):1411–1425.

Larsen E.J., Ripple W.J..  2003.  Aspen age structure in the northern Yellowstone Ecosystem:USA.. Forest Ecology and Management. 179:469-482.

Beschta R., Ripple W.J..  2013.  Are wolves saving Yellowstone's aspen? A landscape-level test of a behaviorally mediated trophic cascade - Comment Ecology. 94(6):1420-1425.

Ripple W.J., Wolf C., Newsome T.M., Betts M.G., Ceballos G., Courchamp F., Hayward M.W., Van Valkenburgh B., Wallach A.D., Worm B..  2019.  Are we eating the world's megafauna to extinction? Conservation Letters. :e12627.

Painter L.E., Beschta R.L., Larsen E.J., Ripple W.J..  2014.  After long-term decline, are aspen recovering in northern Yellowstone? Forest Ecology and Management. 329:108-117.