Animals

Participants can visit 18 trails and four historic sites, collecting animal symbols for prizes through Dec. 7.

Five decades after the original Earth Day, some Pennsylvania species are still at extreme risk.

Unfit for pantry shelves, hundreds of pounds of produce are redirected to a Jamison farm, where the chickens’ “salad bar” curbs waste, cuts costs and helps fight hunger.

Pennsylvania has awarded more than $17 million in grants to 89 state projects to improve water quality and support trout.

The "Big Sit" events include the use of all-terrain wheelchairs for birding experts and beginners who know nothing about birds.

Scarlet tanagers migrate to Pennsylvania’s forests each year to breed before heading back to South America.

Through April 6, the Match Madness Adoption Program will allow adopters to name their fee for participating cats and dogs.

Across the U.S. between 1 and 2 million large animals are involved in vehicle collisions each year, according to the Federal Highway Administration.

The invasive Hessian fly spurred suspicions of biological warfare, threatened the new nation’s economy and inspired the nation’s first citizen science project.

We explore the inner lives of animals, from pain in lobsters to odd-couple friendships to empathy in baboons.

Since the outbreak's start in 2022, about 14.6 million birds in Pennsylvania have died from the virus. Roughly half of those cases occurred in the first two months of 2026.

The goal is to control the pet population in a city that has thousands of strays plucked from the streets.

More than 1,100 dead or sick wild birds were reported in New Jersey within three days. No human cases have been reported.

Skip the roses this Valentine’s Day, and grab your binoculars and a field guide for science, with this weekend's Great Backyard Bird Count.

Zoo staff say the female hawk and female turkey vulture share food, preen each other and have even attempted to raise eggs.