Sentence examples for birds were able from inspiring English sources

Then they checked to see how close a match the birds were able to identify as an impostor.

The experiment was videotaped.Dr Heinrich and Dr Bugnyar found that all the birds were able to follow the gaze of the experimenters, even beyond the barrier.

It has been proposed that only these giant birds were able to kill and eat the huge, armadillo-like mammals called glyptodons, which had also migrated north at that time.

Key A yielded pellets the fastest, followed by keys B, C and D. After training, the birds were able to make optimal choices about which keys to peck in order to get food the fastest.

The authors argue that anosmic birds were able to compensate for a lack of olfactory information by making use of the richer topographic information available in the Mediterranean Sea, an idea which was supported by anosmic birds spending significantly more time within 40 km of the coast during homing.

In lab-based experiments, the birds were able to locate the natural and artificial magnetic north.

The fencing will come down in August, after the young birds are able to fly.

It is known, then, that birds are able to navigate by two types of orientation.

Now, a study finds that male birds are able to better control their vocal muscles than female birds.

For some of the birds, being able to fatten up in the Delaware Bay is a matter of life and death.

We also have a lesson plan from Millgate House Education that considers why birds are able to sit on electricity power lines.