Sentence examples for birds were presented from inspiring English sources

They learned that A was always better than B, and C was always better than D. The confusion arose when the birds were presented with keys B and C together.

They spied on the females from behind a blind a few meters away as the birds were presented with multiple bachelors, some with big masks, some with bright yellow throats.

Birds were presented in blocks.

Birds were presented swimming, flying or resting in a variety of natural contexts, with man-made environment used only very rarely.

Once birds consistently used the tool to retrieve food (8/10 on two consecutive blocks of 10 trials), the experienced birds were presented with tool-tubes containing training tools of four lengths (see above) within beak-reach, and a food-tube with food at different depths, out of beak-reach (food could be retrieved by 1 4 of the training tools, depending on food position).

In the first eight trials the birds were presented with a single starting stimulus.

A toy helicopter, using rotors made out of the feathers of birds, was presented to the French Academy of Science in 1784 by two artisans, Launoy and Bienvenu; this toy forecast a more successful model created in 1870 by Alphonse Pénaud in France.

An overview of environmental occurrence in abiotic matrices, aquatic biota, terrestrial biota and birds is presented.

Only groups that included young birds are presented in this figure.

The effect of the extract on weight changes of the birds is presented in Figure 1.

The total frequency and percentage of participants' knowledge of avian influenza, risk perception of AIV infection, and attitudes about hunting influenza-infected birds are presented in Table  2.