Isle Royale study may uncover declining Minnesota moose mystery
As researchers continue to restore wolves (Canis lupus) on Michigan’s Isle Royale, some are hoping to learn more about the species’ primary prey — moose ...
prey
JWM: Coyotes don’t reduce deer populations
As coyotes (Canis latrans) expand their range and increase their population sizes across the eastern United States, white-tailed deer (Odocoileus virginianus) ...
City hawks flock to feeders to find prey
Bustling cities like Chicago are not usually known for their wildlife, but Cooper’s (Accipiter cooperii) and sharp-shinned hawks (Accipiter striatus) have been ...
Insectivorous birds consume as much energy as NYC
Insectivorous birds, which make up more than 6,000 species around the world, use as much energy as a megacity the size of New York, according to new research. In a ...
Bats learn about food from other species
Bats seem to follow the leader to look for food sources, sometimes even when the leader is from a different species. In a study published in Science Advances, ...
Indochinese leopard population declines
Only one population of Indochinese leopards (Panthera pardus delacouri) remains in all of eastern Indochina, and that population is facing a steep decline, ...
In united animal kingdom, martens control invading squirrels
North America has its share of invasive species to contend with, but our own natives have been known to become invasives abroad, too. In the United Kingdom, where ...
JWM: Recovered California sea lions on the decline again
After a decades-long recovery, California sea lions (Zalophus californianus) are dwindling again due to climate-driven reductions in prey, a recent long-term study ...
When wolves go high, moose go low
As researchers studied gray wolves (Canis lupus) in northeastern Minnesota, they discovered that as their numbers increase, the moose (Alces americanus) population ...
Australian ‘firehawks’ use fire to catch prey
For thousands of years, Australia’s Aboriginal people have sung stories about sacred “firehawks” — raptors that, according to lore, use fire to hunt and ...