Program Term Archive

Endangered Animals

Atlantic Humpback Dolphins

Endangered Species

There are four species of humpback dolphins (genus Sousa) and one subspecies, all of which are considered to be decreasing in number by the International Union for Conservation of Nature (IUCN). The most imperiled is the Atlantic...

IUCN Reaffirms Long-Tailed Macaques’ Endangered Status Despite Industry Pressure

Press ReleaseOctober 10, 2025Animals in Laboratories, Endangered Species

The International Union for Conservation of Nature (IUCN) today released an update to its Red List of Threatened Species. The update revealed that the long-tailed macaque (LTM) remains listed as...

Endangered Species Act

Endangered Species

On October 15, 1966, the Endangered Species Preservation Act (P.L. 89-669) was signed into law. The Act provides for the listing of native threatened and endangered species by the Secretary...