Scientists aren't sure how long giant pandas live in the wild, but they are sure it's shorter than lifespans in zoos. Chinese scientists have reported zoo pandas as old as 35. The National Zoo's Hsing-Hsing died at age 28 in 1999.
Today, Montezuma National Wildlife Refuge boasts six active bald eagle nests. The infamous trio's nest can be viewed from Armitage Road, located off of NY State Route 89. The trio has nested on the refuge since 1987; the two males are from a reintroduction program conducted in the late 1970s.
Abundant almost everywhere in North America, crows start building their nests as early as March in warmer climate zones and as late as mid-July in colder ones. A few weeks before that, the family group, which may consist of two to nine related birds, returns to its usual nesting territory to scout out locations.