Flocks of these doves, with large white wing ... tail with prominent white terminal band. Prominent black crescent framing lower edge of auricular. On perched bird, wing patch shows only as ...

Identification: The black-billed magpie is a stunning bird featuring black and white bodies and bluish-green iridescent wings ...

DEAR JOAN: This very large bird has ... It is a giant, puffy round bird, larger than a hawk or owl, with a gray head, white breast, beady gray eyes, gray back and wings, and a very long gray ...

Those circles are birds—this is a pattern typical of large groups of birds taking off ... would look oblate to the radar, and flapping wings would account for the changing shape!" ...

It is recognizable by its dark-brown face, long, white neck, and of course, a white backside that can only be seen when the bird is in flight. Its wings ... This large scavenger is vital to ...

adapted for large birds 5; the unit was attached to the back feathers with adhesive tape and the electrodes were placed dorsally about 250 mm apart directly under the skin. Heart rates and wing ...