May 17 is Endangered Species Day, and according to Endangered Earth, there are currently more than 16,300 endangered plant and animal species across the globe.

However, dozens of species have been delisted in the last few decades, due in part to the 1973 Endangered Species Act, which strengthened protections for endangered animals.

According to the Washington Post, animals like the humpback whale, the bald eagle, the American alligator, the black-footed ferret, the Grizzly bear, the Florida manatee, the California condor and the gray wolf may have disappeared if not for the Endangered Species Act.

Here are all the species taken off the endangered species list in the U.S. over the last five years and are now recovering, according to the U.S. Fish and Wildlife Service. 

Deseret milkvetch (Astragalus desereticus)

Hidden Lake bluecurls (Trichostema austromontanum ssp. compactum)

Lesser long-nosed bat (Leptonycteris curasoae yerbabuenae)

Black-capped Vireo (Vireo atricapilla)

Eureka Valley evening-primrose (Oenothera avita ssp. eurekensis)

Scarlet-chested parakeet (Neophema splendida)

Turquoise parakeet (Neophema pulchella)

Gray wolf (Canis lupus)

White-haired goldenrod (Solidago albopilosa)

Humpback whale (Megaptera novaeangliae)

San Miguel Island Fox (Urocyon littoralis littoralis)

Santa Cruz Island Fox (Urocyon littoralis santacruzae)

Santa Rosa Island Fox (Urocyon littoralis santarosae)

Louisiana black bear (Ursus americanus luteolus)

Johnston's frankenia (Frankenia johnstonii)

Modoc Sucker (Catostomus microps)

Delmarva Peninsula fox squirrel (Sciurus niger cinereus)

Oregon chub (Oregonichthys crameri)

Island night lizard (Xantusia riversian


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