Sentences with phrase «southward migration»

Therefore, are you sure you weren't seeing weather - caused variations in sea surface temperatures and mistook that for southward migration against the flow?

An understanding of the element of climate change that contributes to the southward migration of herdsmen will hopefully add renewed urgency and result in a holistic approach on how we respond to the menace.»

Newly pregnant females lead the southward migration, followed by their mates.

Some calves are born during the southward migration while others are born near or on the wintering grounds of the west coast of Baja California, Mexico, and the southeastern Gulf of California.

Stand on Hawk Hill during the southward migration's peak — from September 10 to October 10 — and you can expect to see from dozens to hundreds of birds of prey in an hour.

Environmental Education for Kids: Whooping Cranes Find out how whooping cranes are raised and taught to make their southward migration.

After spending a relatively leisurely winter and early spring luxuriating in warm tropical climates, they migrate north for a brief but highly eventful summer in North America, during which they must complete three energetically demanding and time - consuming tasks: (1) they must build nests, lay eggs, and provide for their offspring until the young reach independence, (2) they must completely replace all the feathers in their plumage as part of the annual molt, and (3) they must prepare for the fall southward migration by eating prodigiously and storing the body fat that will fuel their long - distance flights.

The seafloor animals of the Southern Ocean shelf have long been isolated by the deep ocean surrounding Antarctica and the Antarctic Circumpolar Current, with little scope for southward migration.

They also discovered interesting patterns, such as how the birds fly up to six times as fast during their northward flight than they do in their southward migration.

Not exact matches

While a migration of capital southward could become a drag on the Canadian economy, BMO appears to be well positioned to benefit.

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 work used upward - facing radar systems and recorded insects flying between 150 meters and 1200 meters high, documenting thousands of mass migrations northward in spring and southward in fall, suggesting the insects know when and in what direction to migrate and pick favorable winds to do so.

Unable to prevent an estimated $ 5 million to $ 10 million worth of bird damage each fall to a sunflower crop which fetches between $ 330 million and $ 500 million per year, Wildlife Services staff theorized in 1994 that they might accomplish more by poisoning the birds as they migrate north each spring, so that fewer would join the fall migrations southward.

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.