Importantly, these caterpillars are also not newly introduced—in fact, their emergences coincide with the nest season for food for insectivorous swamp birds like the Prothonotary Warbler, Northern ...

This dainty yellow-throated warbler practically glowed in the morning light near the Homestead Recreation Area. Weighing about one-third of an ounce, it still can sing loud enough to serenade all ...

Erik Johnson from Audubon Delta, a bird conservation group, explains that the swamp's poor health has also harmed biodiversity. Some migratory birds, like the yellow-throated warbler, prothonotary ...

Bookman, who made history in 2019 by becoming the first Democrat to be elected prothonotary in Chester ... with the death of her father and other “life-changing personal matters,” as the ...