News

History: In late August of 2025, an adult male 2.5 g Broad-Tailed Hummingbird (Selasphorus platycercus) was found dead in Apache county, Arizona, USA.

Join us for a USGS Friday's Findings webinar that shares the story of a small seabird that can tell us a lot about a changing ocean and what managers...

We are proud to celebrate the 2nd Annual USGS Wildlife Health Awareness Day on Friday, April 24, 2026. As the lead federal agency for wildlife disease...

The U.S. Geological Survey’s National Wildlife Health Center is closely monitoring the ongoing impacts of highly pathogenic avian influenza on wild...

History: An aged adult male 36.8 kg Northern Sea Otter (Enhydra lutris kenyoni) from Washington, USA was found dragging its hind end.  It was humanely...

Author(s): Marcos Isidoro-Ayza

History: Two juvenile snow geese (Anser caerulescens) were found dead at a National Wildlife Refuge (NWR) in California...

Author(s): Natalie Sylvia Tocco

History: Mass mortality reported in Barred Tiger Salamanders (Ambystoma mavortium) in Idaho, USA. Clinical signs...

History: An adult, male Black Tern (Chlidonias niger) was found unable to fly due to a large mass on the left wing. It was admitted to a...

History: An immature 2860-g Bald Eagle (Haliaeetus leucocephalus) from South Carolina, USA was found weak and lethargic with labored breathing, a head...