The butterfly appears to be a hybrid between two known tiger swallowtail species — P. glaucus and P. canadensis — but because ...

Faunal survey at Parambikulam Tiger Reserve adds 15 new species, including birds, butterflies, and odonates, showcasing rich ...

A critically endangered butterfly that lives in the southernmost part of Florida thrives in certain years. Researchers turned to weather data to find out why, and the answer brought a surprise twist.