Sentences with phrase «when migrating birds»

For example, when migrating birds arrive either before or after food sources are present, it can negatively affect their growth and survival.

Not exact matches

For example, some birds use earth's magnetic field as their navigational aid when migrating, such as the Arctic Tern.

And, as far as sweet little birds, when I lived in AZ, the migrating hummingbirds would tap at my kitchen window when the feeder was empty.

When the birds migrated last spring there were 26 whooping cranes left — in the entire population of the species.

There are four kind of birds inside your yard: The ones that summer together with you, those that spend the winter months along (when you are warmer), the temporary ones (like migrating thru), then this permanent ones that you've year around.

Much as migrating birds or spawning insects rely on the timing of spring so that there is enough available food when they arrive in a given region, so, too, the salmon rely on the timing of phytoplankton blooms, followed by the zooplankton bloom that then feeds baby salmon.

When birds are migrating from south to north in the spring, they are roughly.

When birds are migrating south in the fall, these pile - ups would happen on the north side of the lakes rather than the south.

«Learning how to migrate: Young whoopers stay the course when they follow a wise old bird.»

The best time for bird watching on the cayes is during September and October, when thousands of birds migrate south.

The disease tends to move around the world when birds migrate in the fall out of Siberia, Mongolia, North China and head for warmer climes — southern China, Southeast Asia, but also westward toward the Middle East and western Europe and for some birds, garganey ducks, for example, as far as Egypt and even across the Sahara into west Africa, the Niger delta, etc..

Different bird species use different cues to determine when to migrate and to reproduce.

We are like birds — migrating south when the winter gets cold.