Sentences with phrase «from spring migration»

Ornithologists have long wondered why some birds carry more fat than they need to fuel their migration, and a new study in The Auk: Ornithological Advances provides the answer: Leftover fuel from spring migration gives female birds a reproductive boost when they reach their breeding grounds.

Not exact matches

In this episode, Liz Johnson and Felicity Arengo from the American Museum of Natural History take Scientific American podcast host Steve Mirsky for a walk in the park — Central Park — to talk about the spring bird migration and the role that Central Park and other green spaces plays in the lives of birds and other animals.

Early on the morning of May 31st, near the end of the spring migration, I met up with Liz Johnson and Felicity Arengo from the American Museum of Natural History.

Using data on all the ultralight - trained birds» spring and fall migrations from 2002 to 2009, the researchers found that neither genetic relatedness nor gender had any effect on the whooping cranes» tendency to stay on the shortest migratory route.

A new study uses ancient DNA to suggest that a massive migration of herders from the east shaped the genomes of most living Europeans — and that these immigrants may have been the source of Proto - Indo - European (PIE), the mysterious ancestral tongue from which the more than 400 Indo - European languages sprang.

Set against the Platte River's massive spring migrations — one of the greatest spectacles in nature — The Echo Maker is a gripping mystery that explores the improvised human self and the even more precarious brain that splits us from and joins us to the rest of creation.

Gray Whales are noted for their 12,000 - mile annual migration from the Arctic Ocean to Mexico in the winter and their return north in the spring.

Gray Whales make an extensive migration during the winter and spring from the Chukchi and Bering Sea's in Alaska down to three wintering lagoons in Baja Mexico.

Repeat visitors are rewarded with new experiences and perspectives, from the evolving work and ever - changing roster of artists, to the explosion of wildflowers in the spring and the raptor migration in the fall.

In the supporting information (PDF) appendix the researchers show all their data, including the full list of the 100 bird species, whether the date for their spring migration has shifted (days per year from 1970 - 2000), population size has changed (1 = small change, 3 = large change) and during which time interval (either 1970 - 1990 and 1990 - 2000), what their average migration distance is (expressed in latitude change) and whether these birds winter in (southern) Europe or in Africa.