Sentences with phrase «migrating birds fly»

To reach the little to no impact conclusion, the industry assessors relied on limited visual surveys conducted only during daytime and in good weather to conclude that migrating birds fly at a height sufficient to avoid the turbines» blades.
Anyone watching the autumn sky knows that migrating birds fly in a V formation, but scientists have long debated why.
Many migrating birds fly at night — often, all night — to cut the risk of being seen by predators and to avoid overheating under the hot sun.
So ornithologist Thomas Alerstam of Lund University in Sweden and colleagues used the radar on a Canadian icebreaker in the Northwest Passage to measure the direction of migrating birds flying past.
«Novel technology reveals aerodynamics of migrating birds flying in a V - formation.»

Not exact matches

Alternatively, the birds may have lost their ability to fly simply because they didn't need to migrate or escape from predators.
Squadrons of planes can save fuel by flying in a V formation, and many scientists suspect that migrating birds do the same.
The research findings also support the hypothesis that birds migrate to a greater extent than bats, and over longer distances, because bats» ears create resistance that makes flying more energy - intensive.
Migrating to Birds While small mammal and reptile ownership is on the rise, unfortunately birds have flown out of favor with some consuBirds While small mammal and reptile ownership is on the rise, unfortunately birds have flown out of favor with some consubirds have flown out of favor with some consumers.
This is why these things are decimating migrating birds, best wind sites are also the migration routes for birds flying south in winter, and nobody did the assessments to learn this.
This is also major stopover habitat, where migrating birds are not merely flying over, but landing and taking off — often during poor weather conditions.
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