Nation & World

June 18, 2013 1:51 PM

Scarlet shorebird serves as harbinger of climate change between the poles

In years past, tens of thousands of red knots crowded the sandy beaches of Mispillion Harbor in Delaware Bay, gorging on fresh horseshoe crab eggs spawned in such abundance they turned the shoreline a gelatinous green. Smaller than a gull but larger than a robin, the shorebirds have one of the longest-distance migrations known in the animal kingdom. Each year, the ruddy-breasted birds fly to the Canadian Arctic from their winter home in Tierra del Fuego at the tip of South America. And each year, there are fewer and fewer.

Related content

Comments

Videos

More Videos

Dance helps D'Iberville boy overcome ADHD 02:17

Dance helps D'Iberville boy overcome ADHD

Terror in Brussels 02:36

Terror in Brussels

Watch baby polar bear Nora grow up fast 02:12

Watch baby polar bear Nora grow up fast

NASA animates the powerful winter storm headed for the Mid-Atlantic 00:22

NASA animates the powerful winter storm headed for the Mid-Atlantic

Vincent the cat gets very rare prosthetic legs 02:32

Vincent the cat gets very rare prosthetic legs

Calif. congressman vapes in hearing to make his point 01:29

Calif. congressman vapes in hearing to make his point

Video: How to wash your hands 01:03

Video: How to wash your hands

'Lucky' Turkey to Receive Presidential Pardon 01:08

'Lucky' Turkey to Receive Presidential Pardon

The Buzz with Buzz: the Koch brothers, money and politics 02:59

The Buzz with Buzz: the Koch brothers, money and politics

Bernie Sanders free tuition proposal gains loudest cheer 01:47

Bernie Sanders free tuition proposal gains loudest cheer

Nyquist trainer Doug O'Neill on Kentucky Derby draw 00:54

Nyquist trainer Doug O'Neill on Kentucky Derby draw

Share Video

Nation & World Videos