Sentences with phrase «shearwaters breed»

Sooty shearwaters breed on islands near New Zealand, Australia and Chile during September and October before following a figure - 8 migration pattern through the Northern Hemisphere and then southward again — passing through Monterey Bay in summer and early fall to feed.

Not exact matches

Unfortunately, as monitoring efforts continue, we may see these pretty patterns cut short: warming temperatures could deplete phytoplankton populations, which means less fish, squid, and krill for the birds to feast on, and could affect whether sooty shearwaters have enough energy to make it back to their New Zealand breeding grounds.
Though it looks chaotic at first glance, this migration map, which shows the electronic tracks of 19 shearwaters created by UC Santa Cruz biologist Scott Shaffer in 2005, color - codes the various legs of their trek: light - blue lines track the birds during breeding season, yellow lines represent the northward journey, and orange lines show the winter feeding grounds and southward return.
The study, published in the «ournal of Ornithology, evaluates the effect of outdoor lighting of city roads, cars, streets and sports facilities on three species of petrels which breed on the Balearic archipelago and are under threat: the Balearic shearwater (Puffinus mauretanicus), Scopoli's shearwater (Calonectris diomedea) and the European storm - petrel (Hydrobates pelagicus).
Oppel and his team found that they could use audio recordings to estimate a bird's population size after testing the method on a raucous colony of Cory's shearwaters that breeds on a small island in the Azores called Corvo.
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