
All birds molt, or periodically replace their feathers by shedding the old ones and producing new ones. Unlike most birds that molt a few feathers at a time, once a year penguins experience what’s called a catastrophic molt. This means that they molt all of their feathers at once, making them look a bit like an […]

In summer 2012, horrible flooding wrecked the Lake Superior Zoo in Duluth, Minnesota. Many animals — including six sheep, four goats, a raven, a vulture, an owl, and a donkey — were killed when more than nine inches of rain fell on the city and flooded the barnyard exhibit. Two seals and Berlin, the zoo’s […]