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)

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.

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

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., 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.

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.

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

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., 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)

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

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

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.

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

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.

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

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.

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.

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.

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

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.

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.

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

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., 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.

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., 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., 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.

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.

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., 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.

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.

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..  2012.  Trophic cascades in Yellowstone: The first 15 years after wolf reintroduction. Biological Conservation. 145:205-213.

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

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