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Newswise: Survey completeness of a global citizen-science database of bird occurrence

Article ID: 721186

Survey completeness of a global citizen-science database of bird occurrence

Cornell University

There are many shortfalls in knowledge of the world's biodiversity, and one of the most basic is the lack of knowledge about where species occur geographically. This deficiency has broad ramifications for research and conservation. This study, published in Ecography, suggests that the development of citizen science programs to collect data by volunteers has the potential to reduce this shortfall.

Released:
22-Oct-2019 1:55 PM EDT

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Newswise: U.S. Population of Eastern Mallards has Dropped by 50 Percent

Article ID: 721156

U.S. Population of Eastern Mallards has Dropped by 50 Percent

SUNY College of Environmental Science and Forestry

The U.S. population of eastern mallards – dabbling ducks with distinctive green heads – has plunged inexplicably by 50 percent in the last 20 years, causing scientists to launch research into the birds’ productivity, changes in their habitat and their genetic diversity.

Released:
22-Oct-2019 11:05 AM EDT
Newswise: Newly Discovered Virus Infects Bald Eagles Across America
  • Embargo expired:
    18-Oct-2019 5:00 AM EDT

Article ID: 720905

Newly Discovered Virus Infects Bald Eagles Across America

University of Wisconsin-Madison

Researchers have discovered a previously unknown virus infecting nearly a third of America’s bald eagle population. Scientists at the University of Wisconsin–Madison, USGS and the Wisconsin DNR found the virus while searching for the cause of Wisconsin River Eagle Syndrome, an enigmatic disease endemic to bald eagles near the Lower Wisconsin River. The newly identified bald eagle hepacivirus, or BeHV, may contribute to the fatal disease, which causes eagles to stumble and have seizures.

Released:
16-Oct-2019 4:55 PM EDT
Newswise: Investing in Love and Affection Pays Off for Species That Mate for Life
  • Embargo expired:
    14-Oct-2019 3:00 PM EDT

Article ID: 720473

Investing in Love and Affection Pays Off for Species That Mate for Life

University of Chicago

A new study in the Proceedings of the National Academy of Sciences by biologists at the University of Chicago and the University of North Carolina explains how sexual cooperation in species that form long-term pair bonds.

Released:
9-Oct-2019 3:05 PM EDT
Newswise: Measuring Impact of Noise Pollution on Birds at a Larger Scale

Article ID: 720587

Measuring Impact of Noise Pollution on Birds at a Larger Scale

Cornell University

Anthropogenic noise pollution (ANP) is a globally invasive phenomenon impacting natural systems, but most research has occurred at local scales with few species. Researchers in this study investigated continental‐scale breeding season associations with ANP for 322 bird species to test whether local‐scale predictions related to breeding habitat, migratory behavior, body mass, and vocal traits are consistent at broad spatial extents for an extensive group of North American bird species in the continental United States.

Released:
11-Oct-2019 10:30 AM EDT
  • Embargo expired:
    3-Oct-2019 2:00 PM EDT

Article ID: 719922

Implanted Memories Teach Birds a Song

UT Southwestern Medical Center

A new songbird study that shows memories can be implanted in the brain to teach vocalizations – without any lessons from the parent.

Released:
1-Oct-2019 12:05 PM EDT
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  • Embargo expired:
    26-Sep-2019 2:00 PM EDT

Article ID: 719464

Scientists Connected Fragments of Pine Savanna and New Species Keep Showing Up

University of Wisconsin-Madison

By connecting small, restored patches of savanna to one another via habitat corridors at an experimental landscape within the Savannah River Site in South Carolina, a nearly 20-year-long study has shown an annual increase in the number of plant species within fragments over time, and a drop in the number of species disappearing from them entirely.

Released:
23-Sep-2019 2:20 PM EDT

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