Gray Wolf Reintroduction in Colorado Encounters Federal Kerfuffle
Gray Wolf Reintroduction in Colorado Encounters Federal Kerfuffle
This month, voters in the state approved the predators’ reintroduction, but the species’ recent delisting as an endangered species at the federal level binds up available funding.
Gray Wolf Reintroduction in Colorado Encounters Federal Kerfuffle
Gray Wolf Reintroduction in Colorado Encounters Federal Kerfuffle

This month, voters in the state approved the predators’ reintroduction, but the species’ recent delisting as an endangered species at the federal level binds up available funding.

This month, voters in the state approved the predators’ reintroduction, but the species’ recent delisting as an endangered species at the federal level binds up available funding.

ecology & environment
Slideshow: Solving a Gray Whale Murder Mystery
Slideshow: Solving a Gray Whale Murder Mystery
Ashley Yeager | Nov 12, 2020
One way to investigate the record-setting deaths of the marine mammals is to perform autopsies on them, but researchers are also taking a close look at living whales for clues to what could be killing them.
Animal Movement Data Reveal Effects of Climate Change in Arctic
Animal Movement Data Reveal Effects of Climate Change in Arctic
Amanda Heidt | Nov 5, 2020
Environmental engineer Gil Bohrer discusses how long-term, large-scale tracking data can shed light on the unexpected ways animals are responding to changes in the Arctic.
Herbivore Body Size Influences Grazing Behavior, Poop Quality
Herbivore Body Size Influences Grazing Behavior, Poop Quality
Catherine Offord | Nov 1, 2020
Researchers disentangle complex connections among vegetation, herbivores, and dung in the South African savanna.
Can Rewilding Large Predators Regenerate Ecosystems?
Can Rewilding Large Predators Regenerate Ecosystems?
Katarina Zimmer | Nov 1, 2020
As some conservationists and researchers begin to return large carnivores to areas where they once roamed, scientists intensify efforts to study the ecological roles of predators.
Slideshow: How Ecologists Study the World’s Apex Predators
Slideshow: How Ecologists Study the World’s Apex Predators
Katarina Zimmer | Nov 1, 2020
A global decline of large carnivores has motivated scientists to understand the animals’ ecological roles, and consider whether reintroducing them can help restore ecosystems.
Tropical Birds Differ in Their Responses to Drought
Tropical Birds Differ in Their Responses to Drought
Shawna Williams | Nov 1, 2020
Long-lived species decrease their reproduction more than short-lived species in response to lower-than-normal precipitation, and thereby gain a survival advantage, a study finds.
Infographic: Herbivore Dung Nutrients Vary Across the Savanna
Infographic: Herbivore Dung Nutrients Vary Across the Savanna
Catherine Offord | Nov 1, 2020
In South Africa, the composition of droppings varies by species’ body sizes, and which animals are found where depends on vegetation density.
Infographic: Investigating Whale Strandings Along the North American Coast
Infographic: Investigating Whale Strandings Along the North American Coast
Ashley Yeager | Nov 1, 2020
Knock-on effects of melting sea ice in the Arctic may be to blame for a spate of gray whale deaths along their migration route from Mexico to Alaska.
Clues Point to Climate Change as a Culprit in Gray Whale Deaths
Clues Point to Climate Change as a Culprit in Gray Whale Deaths
Ashley Yeager | Nov 1, 2020
For the past two years, the charismatic marine mammals have washed up on Pacific shores in record numbers. Scientists investigating the strandings suspect warming waters and melting sea ice are partly to blame.