For birds, siblinghood can get complicated
Wild birds have some of the most complicated sibling relationships around, with everything from murder to long-term alliances.
Animals
In the womb, a brother's hormones can shape a sister's future
When siblings share a womb, sex hormones from a male fetus can cause lasting changes in a female littermate. This effect exists for all kinds of mammals — perhaps humans too.
How to keep pets safe during the solar eclipse, whether at home or on the road
Experts say pets are unlikely to be impacted by the eclipse itself — but there are steps their humans should take to help them deal with the crowds, traffic and stress.
'The wolf was his best friend,' a son remembers his father who served in WWII
Growing up in 1950s St. Louis, Judd Esty-Kendall remembers his father taking in wild animals. He told his own son about a special bond that his dad had with one animal in particular.
Fish out of water story ends with 77,000 young salmon in the wrong water
The Chinook got shook when their truck got cooked. Now the salmon are swimming — but in the wrong brook.
Should whales have the same rights as people?
Some indigenous Polynesians say yes, and they're pushing an initiative to give whales personhood rights as a way to combat climate change.
The mystery of the Florida Keys' dying sawfish
Rare sawfish have been dying at unprecedented numbers in the Florida Keys. Scientist don't know why and federal officials are trying to save some of them.
A government proposal to kill a half-million owls sparks controversy
A U.S. Fish and Wildlife Service proposal to kill some 470,000 owls over 30 years to protect other owl species has prompted conservationists and animal welfare advocates to weigh the consequences.
For the first time, U.S. dairy cows have tested positive for bird flu
Livestock in Texas, Kansas and Michigan are confirmed to have the virus, and herds in New Mexico and Idaho have also tested positive. The threat to the public is low, federal officials say.
There's more to being Punxsutawney Phil than making weather predictions
Phil has a life too, you know. The world famous groundhog and his partner Phyllis, recently welcomed two healthy pups into their family.