Sour foods are often avoided by mammals, but many birds regularly feed on highly acidic fruits. Evolution has provided them with a clever strategy to eat extremely acidic fruit. Subscribe to our ...

Anyone who has seen a hummingbird poking her beak deep into a trumpet creeper blossom, or a honeyeater using its brush-tipped ...

An international team of researchers led by Dr. Corina Logan at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, conducted two studies on the foraging behavior of birds in ...

Live fast, die young—or live long and hedge your bets? These are two of the strategies that the world’s non-migratory, non-marine bird species have employed throughout evolutionary history to survive ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...

Andrew Hess, Ph.D., earned his doctorate in interdepartmental genetics (animal breeding and genetics, with a statistics minor) from Iowa State University in 2016. He is an assistant professor of ...

This suggests their in-flight sleeping is a specific adaptation for extended flying, Rattenborg said. A few other animals have similar sleeping hacks. Dolphins can sleep with one half of the brain at ...