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News
Humpback chub rebound: USGS science uncovers population increase and range expansion for threatened fish
1+ hour, 41+ min ago (304+ words) A new USGS study estimates that adult humpback chub in western Grand Canyon increased roughly 160-fold between 2010 and 2024, a large population increase within this river segment, even as the long-term resilience of the population overall remains unknown. The new paper…...
USGS Research Informs Big Game Management—Mule Deer Sensitive to Temperature Extremes and Habitat Quality
1+ week, 1+ day ago (314+ words) USGS (.gov) Official websites use.gov Secure.gov websites use HTTPS USGS Research Informs Big Game Management—Mule Deer Sensitive to Temperature Extremes and Habitat Quality To help inform big game-related restoration priorities, the USGS and their collaborators assessed the…...
Ecology and Distribution of the Endangered Hawaiian Hoary Bat
2+ week, 13+ hour ago (52+ words) Products from this work can be found in the Publications tab. Crater Rim Drive, Hawai‘i Volcanoes National Park PO Box 44 Hawaii National Park, HI 96718 United States Below are data releases associated with this project. Below are publications associated with…...
Images - St. Petersburg Coastal and Marine Science Center
1+ week, 5+ day ago (282+ words) St. Petersburg Coastal and Marine Science Center images. Scientists build a boardwalk to access mangrove forest to sample fish. Scientists inspect a raised boardwalk used to access a mangrove forest to sample fish. Technician processes fish samples brought in from…...
Ranavirus in a Barred Tiger Salamander (Ambystoma mavortium)
1+ mon, 2+ week ago (243+ words) History: Mass mortality reported in Barred Tiger Salamanders (Ambystoma mavortium) in Idaho, USA. Clinical signs include ataxia, erratic swimming, inability to stay upright, and lethargy. Gross findings: The carcass was submitted fixed in 10% neutral buffered formalin without prior external examination....
Novel Management Techniques for Colonial Nesting Waterbirds
2+ mon, 2+ day ago (320+ words) USGS (.gov) Official websites use.gov Secure.gov websites use HTTPS Novel Management Techniques for Colonial Nesting Waterbirds This project focuses on USGS collaborating with USFWS colleagues to understand how management practices on Poplar Island impact target and non-target wildlife…...
Maps of spatial patterns of live coral cover and change by site at Puʻukoholā Heiau National Historic Site
2+ mon, 5+ day ago (130+ words) USGS (.gov) Official websites use.gov Secure.gov websites use HTTPS Maps of spatial patterns of live coral cover and change by site at Puʻukoholā Heiau National Historic Site. A) Mean baseline survey of percentage of live coral cover. B)…...
Notes From The Field: Wintering Rosy-Finches
2+ mon, 2+ week ago (495+ words) "Notes from the Field” are contributed articles that highlight current banding projects and the continued importance of bird banding. This article focuses on a long-term Rosy-Finch monitoring project in New Mexico. “Notes From the Field” news articles highlight the continued…...
NOROCK Research in Support of Native Amphibians
2+ mon, 2+ week ago (84+ words) USGS (.gov) NOROCK continues its important amphibian research program. Recent studies have explored the effects of environmental contaminants and pathogens on amphibians, and the influence of beaver-modified wetlands on pathogen prevalence in amphibians. See below for more information. A Snapshot…...
Cycle of a Bird Band | U.S. Geological Survey
2+ mon, 2+ week ago (514+ words) A Blue-winged Teal banded in Louisiana becomes part of the North American Bird Banding Program, which tracks millions of records to guide waterfowl research and conservation. Recaptures and hunter reports reveal its multi‑year migration, contributing vital data for managing…...