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🧬 The Felid Wiki — 3,000 research summaries
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44 summaries matching “puma” in Predator-Prey Dynamics
Research overview: puma predation on guanaco in Patagonia
OverviewA survey of the predator-prey relationship between pumas and guanacos in the steppe and mountains of Patagonia, where the guanaco is the puma's main native prey. Pumas are major predators of guanacos,…
Research overview: puma-deer population dynamics in western North America
OverviewAn overview of the central predator-prey relationship between cougars and mule deer, the staple prey across much of the western United States. Puma density tends to track deer abundance, and puma pred…
Research overview: puma-induced vigilance and the landscape of fear
OverviewA survey of how pumas create spatial gradients of perceived risk that alter where and how their ungulate prey forage. Because pumas are ambush predators favoring cover and terrain that aids stalking,…
Research overview: scavenging contributions to felid diets
OverviewAn overview of how much carrion features in the diets of cats traditionally viewed as pure hunters. While felids are generally more reliant on fresh kills than canids or hyaenids, many will scavenge o…
Research overview: seasonal variation in felid prey selection
OverviewAn overview of how the prey cats select shifts through the year with prey vulnerability, migration, birth pulses and weather. Many felids exploit seasonal ungulate calving and fawning peaks, when abun…
Research overview: stalking distance and hunting-habitat selection
OverviewAn overview of how ambush felids select hunting habitat to minimize the distance over which they must close on prey undetected. Because capture success drops sharply with the length of the final rush,…
Research overview: surplus killing events in felids
OverviewAn overview of documented cases in which cats kill more prey than they can eat, extending Kruuk's classic analysis to felids. Surplus killing in cats typically occurs when normal prey escape responses…
Research overview: trophic cascades initiated by apex felids
OverviewAn overview of how large cats can structure ecosystems from the top down, with effects rippling through herbivores to vegetation and beyond. By killing and frightening herbivores, apex felids such as…
Surplus killing by carnivores
PaperKruuk documented and analyzed cases where carnivores kill far more prey than they can consume, challenging the assumption that predators only take what they need. Drawing on spotted hyena and other ca…
Kruuk, H. · Journal of Zoology · 1972
The landscape of fear: ecological implications of being afraid
ReviewA decade after naming the concept, Laundre, Hernandez and Ripple reviewed how the landscape of fear had matured into a framework for understanding nonconsumptive predator effects. They synthesized evi…
Laundre, J.W., Hernandez, L. & Ripple, W.J. · The Open Ecology Journal · 2010
The rise of the mesopredator
ReviewPrugh and colleagues synthesized global evidence that the worldwide decline of apex predators has triggered widespread increases in mid-sized carnivores, with far-reaching ecological and economic cons…
Prugh, L.R., Stoner, C.J., Epps, C.W., Bean, W.T. et al. · BioScience · 2009
Trophic downgrading of planet Earth
ReviewEstes and a large group of coauthors synthesized evidence that the loss of apex consumers, including big cats, is among humanity's most pervasive influences on nature. The review marshaled cases acros…
Estes, J.A., Terborgh, J., Brashares, J.S. et al. · Science · 2011
Trophic facilitation by introduced top predators: gray wolf subsidies to scavengers
PaperWilmers and colleagues showed that reintroduced wolves in Yellowstone act as ecosystem benefactors by providing a steady, more evenly distributed supply of carrion to scavengers, buffering them agains…
Wilmers, C.C., Crabtree, R.L., Smith, D.W., Murphy, K.M. & Getz, W.M. · Journal of Animal Ecology · 2003
Wolves, elk, and bison: reestablishing the landscape of fear
PaperThis paper introduced and named the landscape of fear concept, arguing that prey perceive their habitat as a spatially varying map of predation risk that shapes where and how they forage. Using elk an…
Laundre, J.W., Hernandez, L. & Altendorf, K.B. · Canadian Journal of Zoology · 2001