People in many parts of the world feed birds in their backyards, often due to a desire to help wildlife or to connect with nature. In the United States alone, over 57 million households in the feed backyard birds, spending more than $4 billion annually on bird food. While researchers know that bird feeding can

The world’s smallest bears can exactly mimic another bear’s facial expressions, casting doubt on humans and other primates’ supremacy at this subtle form of communication. It is the first time such exact facial mimicry has been seen outside of humans and gorillas. The research, by Dr. Marina Davila-Ross and Ph.D. candidate Derry Taylor, both at

Female birds age more slowly and live longer when they have help raising their offspring, according to new research from the University of Sheffield. Researchers studied the relationship between ageing and offspring rearing patterns in the Seychelles warbler, and found that females who had assistance from other female helpers benefitted from a longer, healthier lifespan. The findings

Two isolated mountain lion populations in southern California’s Santa Ana and Santa Monica Mountains are at risk of local extinction, perhaps as soon as within 50 years, according to a study published in the journal Ecological Applications. The study showed the extinction risk is due to low genetic diversity and mortality that affects the stability of

Researchers from the University of British Columbia and McMaster University have developed what could be the bone implant material of the future: an airy, foamlike substance that can be injected into the body and provide scaffolding for the growth of new bone. It’s made by treating nanocrystals derived from plant cellulose so that they link

Bats fly, whales swim, gibbons swing from tree to tree, horses gallop, and humans swipe on their phones—the different habitats and lifestyles of mammals rely on our unique forelimbs. No other group of vertebrate animals has evolved so many different kinds of arms: in contrast, all birds have wings, and pretty much all lizards walk

To determine where a sound is coming from, animal brains analyze the minute difference in time it takes a sound to reach each ear—a cue known as interaural time difference. What happens to the cue once the signals get to the brain depends on what kind of animal is doing the hearing. Scientists have known

A University of Otago study has shown the positive impact bird poo, or guano, has on coral growth in tropical seas. Published online in the respected scientific journal Scientific Reports, the study Seabird nutrients are assimilated by corals and enhance coral growth rates demonstrates that seabird nutrients can significantly boost coral growth rates, offering a positive

Wolves lead, dogs follow—and both cooperate with humans. The statement is a bold one, especially as wolves have received a lot of negative attention in recent years. A recent study conducted by behavioural researchers at Vetmeduni Vienna, however, shows that dogs and wolves both work equally well with humans, albeit in different ways. The allegedly

When it comes to regeneration, some animals are capable of amazing feats—if you cut the leg off a salamander, it will grow back. When threatened, some geckos drop their tails as a distraction, and regrow them later. Other animals take the process even further. Planarian worms, jellyfish, and sea anemones can actually regenerate their entire

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