Animals

The horseshoe crab’s blood helps test the sterility of medical products.

Head to a block party at the zoo this Saturday to celebrate its origin story.

Biologists in New Jersey and Delaware spotted more red knot birds this year, but levels remain significantly lower than before the 2000s.

Three species of shark use New Jersey’s coastal salt marshes as nurseries — the sandbar shark, the smooth dogfish and the sand tiger shark.

A whole new generation seems to be trading screens for binoculars and knitting needles. What’s behind the trend?

In an effort to create space and prevent more euthanasia, ACCT Philly is offering financial incentives funded by donors.

Eradicated in the U.S. for 60 years, the fly returned in June with new cases in Texas. It can infect any warm-blooded mammal.

PAWS sets a summer goal of placing 300 homeless pets in foster homes so it can rescue 300 additional animals.

Tales of adventure from the wild — in search of lost and elusive species.

A $25 million renovation to the new Carey Bear Country lets endangered bears swim, play and explore new spaces.

The competition boasted 22 pets donning a range of red, white and blue attire.

Experts say this summer is shaping up to be the worst tick season in a decade — and a lot of bites are happening in people's own backyards.

Mosquito and tick bites can put people at risk for contracting Lyme disease, West Nile virus and alpha-gal syndrome.

The 1-year-old newcomer offers a window into habitat loss, species survival and wildlife conservation efforts underway at the zoo.

The director of Pennsylvania’s Tick Research Lab offers guidance on tick hotspots, emerging pathogens — and what to do if you’ve been bitten.