# UX264-78 - 1996 20c/32c Combo PC/15 Endangered Species
Endangered Species Act
Throughout the late 1800s and early 1900s, people around the globe grew increasingly concerned about the plight of animals nearing extinction. As the bison neared extinction and the passenger pigeon disappeared, people began calling for wildlife conservation. Proponents of the conservation movement introduced the larger American public to the idea of extinction.
These animals were dropping in numbers due to many factors. Many were hunted for food, study, and personal or museum collections, while a large number of birds were killed for their feathers to adorn hats. Additionally, towns, cities, and farms expanded, encroaching on habitats, while pesticides and non-native species added to the burden.
Click here for more Endangered Species stamps.
Click here to read the Endangered Species Act.
Endangered Species Act
Throughout the late 1800s and early 1900s, people around the globe grew increasingly concerned about the plight of animals nearing extinction. As the bison neared extinction and the passenger pigeon disappeared, people began calling for wildlife conservation. Proponents of the conservation movement introduced the larger American public to the idea of extinction.
These animals were dropping in numbers due to many factors. Many were hunted for food, study, and personal or museum collections, while a large number of birds were killed for their feathers to adorn hats. Additionally, towns, cities, and farms expanded, encroaching on habitats, while pesticides and non-native species added to the burden.
Click here for more Endangered Species stamps.
Click here to read the Endangered Species Act.