CALGARY — The Wilder Institute/Calgary Zoo has announced a nearly $16-million plan to redevelop some wildlife habitats ahead of it’s centennial in 2029.

London Zoo said Monday that 33 endangered Darwin’s frogs, named after scientist Charles Darwin who discovered the species, were born in their new home as part of a rescue mission to save the species ...

Along the long road from American icon to endangered species and back again, the bald eagle — the national bird of the United ...