Tag: eggs

December 17, 2020

Noise, light pollution impact bird reproduction

Noise and light pollution have been known to cause behavioral changes in birds, but researchers recently found they can actually affect their reproductive fitness. “We know that sensory pollutants are...

September 12, 2019

As Alaska’s temperature rises, salmon deaths mount

Record-breaking summer temperatures may be linked to a rise in salmon deaths in Alaska. Sam Rabung, director of commercial fisheries for the Alaska Department of Fish and Game, said dead...

November 14, 2018

Shorebird declines likely due to climate change

Climate change may be the main reason behind a great decline in shorebird populations around the world, researchers found. After looking at 38,191 nests of 111 species across the world,...

October 30, 2018

Oversized house mice shrink albatross populations

On the British overseas territory of Gough Island in the South Atlantic, albatross numbers are plummeting, and researchers say the reason is introduced house mice. The researchers discovered that the...

May 15, 2018

As climate warms, polar bears take advantage of eider eggs

Polar bears (Ursus maritimus) in the Canadian arctic are taking advantage of a unique food source — common eider (Somateria mollissima) eggs — according to new research. In a study...

April 3, 2018

Birds live longer in the tropics

Adult tropical birds have higher annual survival rates than their temperate counterparts, researchers found, which seems to help balance the smaller clutch sizes of these forest passerine birds. “Birds in...

November 22, 2017

Farmland milkweed supports more monarch eggs

Ever since they learned that the monarch butterfly’s swift decline is tied to reductions in its host plant, conservationists have been planting milkweed alongside roads to boost the pollinator’s population....

June 7, 2017

Cowbirds eye egg size for nest selection

The brown-headed cowbird (Molothrus ater) may not build nests or raise young, but it does seem to take steps to help its offspring’s survival. When it lays eggs in the...