Watch: Sloth fights off ocelot attack
Watch two camera trap videos that show a two-toed sloth fending off an attacking ocelot in the Ecuadorian Amazon.
Are human dads oddly egalitarian? Not really
A new study looks at whether human males are more egalitarian than are males among other mammals.
241 genomes rework mammal family tree
“…we answer the question of where and when mammals diversified and evolved in relation to the K-Pg mass extinction.”
Rare strain of parasite kills California sea otters
A rare strain of toxoplasmosis that killed four sea otters has “never before been described in sea otters… or in any other aquatic mammal or bird.”
Rare strain of parasite kills California sea otters
A rare strain of toxoplasmosis that killed four sea otters has “never before been described in sea otters… or in any other aquatic mammal or bird.”
Tropical wildlife keep similar routines around the world
New findings show that similar environmental conditions in rainforests around the world result in consistent wildlife activity patterns.
Do treeshrews break the ‘rules’ due to climate?
The Northern treeshrew defies two widely tested ecological “rules” of body size variation within species, according to a new study.
Cool footage: Some Asian animals thrive near people
Some large Asian animals are surprisingly able to live near humans, research finds. Others are not.
Loss of land mammals decimated food webs over 130,000 years
Recreating 130,000 years of mammal food webs with machine learning reveals the scope of the biodiversity crisis.
Fossil discovery complicates placenta vs. pouch
Scientists have viewed marsupial reproduction as more “primitive” than that of placental mammals. Fossils complicate that view.