Press it contains 113 multiple-bird color plates, and any number of black-and-white distribution maps, and describes, in addition to the avifauna of India & Pakistan, that of Bangladesh, Nepal, Sikkim, Bhutan, southeast Tibet, and Sri Lanka.
The thermal impact of the birds' color on their flight performance are investigated.
Birds color themselves by consuming and metabolizing several dietary carotenoids from the environment.
Some had traditional thatched roofs, some open-air porches, propped on hand-hewn posts; a few doors were painted in tropical-bird colors.
Since the Dreadnought Grey disc and the Kingfisher Blue background disc possess very different colors (see Figure 3), these colors must be easily discriminated by the bird's color vision system.
This demonstrates that, although the visual subsystem that guides the budgerigar's landings does not detect the boundary between the Dreadnought Grey disc and the Kingfisher Blue background, the bird's color vision system is clearly capable of distinguishing between these two colors.
During the last hour of cooking, check the bird's color, and remove the foil when needed to finish browning.
As I near the kipuka, I hear the discordant, chattery whistles of an i'iwi, a sickle-billed bird the color of a ripe persimmon -- a frequent poster child for imperiled Hawaiian birds.
Now, as I near the kipuka, I hear the discordant, chattery whistles of an i'iwi, a sickle-billed bird the color of a ripe persimmon — a frequent poster child for imperiled Hawaiian birds.
