Bird in flight
by Athala Bruckner
Title
Bird in flight
Artist
Athala Bruckner
Medium
Photograph
Description
Anyone who has spent time at the beach recognizes seagulls as an indispensable element of the coastal experience. Although they may look virtually identical to the casual observer, at least 28 distinct types of gulls inhabit North America alone; these scavenging birds range in size from about 1 foot in length to 2 1/2 feet, and may also be distinguished on the basis of color......Seagulls are very clever. They learn, remember and even pass on behaviours, such as stamping their feet in a group to imitate rainfall and trick earthworms to come to the surface.
Seagulls intelligence is clearly demonstrated by a range of different feeding behaviors, such as dropping hard-shelled mollusks onto rocks so that they break open so they can eat them, and following ploughs in fields where they know upturned grubs and other food sources will be plentiful.
Seagulls are attentive and caring parents. The male and female pair for life and they take turns incubating the eggs, and feeding and protecting the chicks.
Gulls have a complex and highly developed repertoire for communication which includes a range of vocalizations and body movements.
Seagulls can drink both fresh and salt water. Most animals are unable to do this, but seagulls have a special pair of glands right above their eyes which is specifically designed to flush the salt from their systems through openings in the bill.
There is a great deal of diversity between different gull species, with the smallest being the Little Gull (120 g and 29 cm) and the largest being the Great Black-beaked Gull (1.75 kg and 75 cm).
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Uploaded
September 11th, 2014
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