USGS

FLAGSTAFF, Ariz. – The western population of yellow-billed cuckoos (Coccyzus americanus occidentalis) was thought to nest only in mid-elevation riparian areas dominated by cottonwood and willow trees, with perennial surface […]

Jan Lovy, Ph.D. at work It’s October, and fall is upon us. Fall is a season of change. The days get shorter and colder, it’s cloudier and rains more (especially

Cheatgrass, an invasive annual grass, reduces ecosystem productivity, negatively impacts biodiversity, and is increasingly problematic in higher elevation ecosystems with climate change. Cheatgrass phenology (that is, the timing of yearly

Scientists gathered data on the recent distributions of 130 lizard and snake species found from Mexico to western Canada.  The climate in each species’ current range defined its “climate-niche distribution”

Sixteen years after Pd, the fungus that causes white-nose syndrome in bats, was first recognized in New York, its range now extends to the Rocky Mountains, and it has been

ObjectiveFlathead Catfish Pylodictis olivaris are a widespread aquatic invasive species within the United States and a recent invader in the Susquehanna River basin, Pennsylvania. Flathead Catfish are piscivores known to consume native

One of the most important structural components of vegetation communities is the “bare soil gap” between individual plants. Land managers and researchers use the gap intercept method to quantify the

Encompassing over 175 million acres, America’s “Sagebrush Sea” is the largest terrestrial ecosystem in the lower 48 states. A predominately shrubland system, this landscape ranges over deserts, valleys, mountains, and

The Institutional Animal Care and Use Committee (IACUC) is responsible for oversight of the animal care and use program and the components as described in the Public Health Service Policy

One Health is an integrated, unifying approach that aims to sustainably balance and optimize the health of people, animals, and ecosystems (Adisasmito and others, 2022). It recognizes that the health

The American Ornithological Society’s (AOS) Checklist of North American Birds (Checklist) and its annual supplements provide a standardized taxonomy for North American birds for use by government agencies, scientists, conservation

Breadcrumb News Hunter survey available for Green Bay and Lake Michigan An annual waterfowl harvest survey is open to duck hunter feedback now through December 31 for the Green Bay and

Data from wadeable streams collected by monitoring programs are used to assess watershed condition status and trends. Federally managed programs collect a suite of similar habitat measurements using compatible methods

An annual waterfowl harvest survey is open to duck hunter feedback now through December 31 for the Green Bay and Lake Michigan regions of Wisconsin. Hosted by the U.S. Geological Survey,