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Endangered and Threatened Species

Unfortunately, numerous wildlife species in Pennsylvania have declined due to habitat loss, disease, climate change, and other causes. They are considered a species of concern, threatened or even endangered. Scroll down to learn more about these special species and how you can help them in Pennsylvania. Wildlife on WiFi resources are aligned with Pennsylvania Integrated Standards for Science, Technology & Engineering, Environmental Literacy and Sustainability (STEELS). 

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Pennsylvania's Threatened & Endangered Species

Investigate the challenges facing threatened and endangered wildlife and examine how habitat management, research, and conservation actions support their recovery.

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Who's Hoo?

Explore the unique adaptations, hunting strategies, and nighttime behaviors of owls to understand how these silent predators thrive in Pennsylvania’s ecosystems.

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Bonkers for Bats

Uncover how bats live, hunt, and survive as one of Pennsylvania’s most fascinating nighttime mammals.

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Waders & Shorebirds

Explore the unique adaptations, behaviors, and habitats of wading birds and shorebirds as they forage, migrate, and thrive along Pennsylvania’s wetlands and waterways.

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American Bittern

Explore the behavior, adaptations, and wetland habitat of American bitterns while examining their role in the food chain.

Allegheny Woodrat

Educator Guide: Allegheny Woodrat

Deep in Pennsylvania’s rugged, rocky forests, a rare and often unseen mammal fights for survival. The Allegheny woodrat—a species inextricably tied to the once-abundant American chestnut—has experienced dramatic population declines over the past 40 years. Fragmented habitats, disease, and the loss of critical food sources have pushed this native species to the brink. These educator guides-paired with the accompanying documentary-follows the dedicated biologists, foresters, partners, and volunteers working tirelessly to understand the causes of decline and implement bold recovery actions.