Today is National Endangered Species Day!
It's an opportunity for people of all ages all over the country to learn about protecting wildlife and wild places.
Congress started the holiday in 2006.
To take part in activities, check out local zoos, aquariums, wildlife refuges, botanical gardens, museums and other places for special talks, exhibits and tours.
It's celebrated on the third Friday in May and throughout the month.
The Environmental Protection Agency says there are more than 1,300 endangered or threatened species in America today, which includes both plants and animals.
To help bring attention to the protection of imperiled species, The Endangered Species Coalition is encouraging people to tweet concerns to their local officials.