Endangered Southern Resident killer whales prey on a diversity of Chinook and other salmon. The stocks come from an enormous geographic range as far north as Alaska and as far south as California's Central Valley, a new analysis ...
Ecology
Mar 3, 2021
0
375
In the words of Sigmund Freud, "time spent with cats is never wasted." It's a view that's shared by the millions of people across the globe who are drawn to the small felines who chose to live with humans thousands of years ...
Plants & Animals
Feb 18, 2022
0
62
Prey can evade predators and also avoid attacks. However, some can escape from inside a predator after being swallowed. For example, some animals that can survive predators' digestive systems are excreted in feces and thereby ...
Plants & Animals
Aug 3, 2020
1
688
Monkeys are not usually a popular menu item for big cats. Primates are, after all, hard to catch: living in the canopies of large trees and rarely coming down to the ground. Jaguar and puma have varied diets and will normally ...
Plants & Animals
Nov 18, 2023
0
29
Why aren't there more lions? That was what puzzled McGill PhD student Ian Hatton, when he started looking at the proportion of predators to prey across dozens of parks in East and Southern Africa. In this case, the answer ...
Ecology
Sep 3, 2015
2
931
Many animals feign death to try to escape their predators, with some individuals in prey species remaining motionless, if in danger, for extended lengths of time.
Plants & Animals
Mar 2, 2021
0
313
An international team of ecologists, life scientists, conservationists and biologists has found that humans prey on approximately one-third of all vertebrate species in existence. In their study, reported in the journal Communications ...
New UMD study suggests that everywhere tyrannosaurs rose to dominance, their juveniles took over the ecological role of medium-sized carnivores
Paleontology & Fossils
Jun 17, 2021
0
400
Humans feeding leftover lean meat to wolves during harsh winters may have had a role in the early domestication of dogs, towards the end of the last ice age (14,000 to 29,000 years ago), according to a study published in ...
Archaeology
Jan 7, 2021
0
517
Even without hunting rifles, humans appear to have a strong negative influence on the movement of wildlife. A study of Glacier National Park hiking trails during and after a COVID-19 closure adds evidence to the theory that ...
Ecology
Jan 19, 2023
0
177
