Wildlife

Billions More Milkweeds Needed to Restore Monarchs
April 28, 2017 08:15 AM - USGS

As many as 1.8 billion additional stems of milkweed plants may be needed in North America to return imperiled monarch butterflies to a sustainable population size, according to a recently published U.S. Geological Survey study.

Time-Lapse Cameras Provide a Unique Peek at Penguins' Winter Behavior
April 19, 2017 11:26 AM - American Ornithological Society Publications Office

Not even the most intrepid researcher wants to spend winter in Antarctica, so how can you learn what penguins are doing during those cold, dark months? Simple: Leave behind some cameras. Year-round studies across the full extent of a species’ range are especially important in polar areas, where individuals within a single species may adopt a variety of different migration strategies to get by, and a new study from The Auk: Ornithological Advances uses this unique approach to get new insights into Gentoo Penguin behavior.

Time-Lapse Cameras Provide a Unique Peek at Penguins' Winter Behavior
April 19, 2017 11:26 AM - American Ornithological Society Publications Office

Not even the most intrepid researcher wants to spend winter in Antarctica, so how can you learn what penguins are doing during those cold, dark months? Simple: Leave behind some cameras. Year-round studies across the full extent of a species’ range are especially important in polar areas, where individuals within a single species may adopt a variety of different migration strategies to get by, and a new study from The Auk: Ornithological Advances uses this unique approach to get new insights into Gentoo Penguin behavior.

Busy city living makes some house finches more savvy than others
April 18, 2017 10:36 AM - Springer

House finches that frequent North American cities and towns are better at solving new problems than their rural counterparts. They are able to solve new problems even when humans are around, says Meghan Cook of Arizona State University in the US, lead author of a study in Springer’s journal Behavioral Ecology and Sociobiology. The study investigated how increased urbanization and human presence affects the behavior and foraging habits of wildlife, and how birds, in particular, cope.

Busy city living makes some house finches more savvy than others
April 18, 2017 10:36 AM - Springer

House finches that frequent North American cities and towns are better at solving new problems than their rural counterparts. They are able to solve new problems even when humans are around, says Meghan Cook of Arizona State University in the US, lead author of a study in Springer’s journal Behavioral Ecology and Sociobiology. The study investigated how increased urbanization and human presence affects the behavior and foraging habits of wildlife, and how birds, in particular, cope.

Cracking the code of a long-distance swimmer
April 18, 2017 08:32 AM - NOAA

Born in the Sargasso Sea, that Atlantic Ocean gyre east of Bermuda, baby European eels will travel 4,000 miles to the freshwater rivers of Europe. Now scientists might have answered a century-old question of how these young eels accomplish such vast oceanic migrations.

Lyme Disease Imposes Large Cost On the Northeast United States
April 18, 2017 06:14 AM - Yale School of Forestry and Environmental Studies

As people across the northeastern U.S. begin venturing back into the outdoors with the arrival of spring, they will make 1 billion fewer trips than they otherwise would have if Lyme disease didn’t exist, a new Yale study concludes.

Florida Manatees Likely to Persist For At Least 100 Years—US Geological Survey
April 13, 2017 08:08 AM - USGS

Florida’s iconic manatee population is highly likely to endure for the next 100 years, so long as wildlife managers continue to protect the marine mammals and their habitat, a new study by the US Geological Survey and the Florida Fish and Wildlife Research Institute has found.

Florida Manatees Likely to Persist For At Least 100 Years—US Geological Survey
April 13, 2017 08:08 AM - USGS

Florida’s iconic manatee population is highly likely to endure for the next 100 years, so long as wildlife managers continue to protect the marine mammals and their habitat, a new study by the US Geological Survey and the Florida Fish and Wildlife Research Institute has found.

Scientists Evaluate Ways to Save Hawaiian Honeycreeper
April 12, 2017 08:29 AM - USGS

A new study evaluates conservation actions that could save the iconic Hawaiian Honeycreeper bird, also known as the “Iiwi,” providing land managers with guidance on how to save this important pollinator. The study demonstrates how the movement of Iiwi across the slopes of Hawaii’s volcanos in search of nectar from flowers can increase their risk of contracting disease and dying.

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