Gull
Quick Facts
Height/Weight
18”-26”/25oz-38oz
Life Span
8-10 years in the
wild and up to 30 years in captivity
Flight Speed
15 to 38 mph
Range
Near large
waterways
Food
Scavenger –
eats fish, crab, insects, forages at dumps, harbors and waste sites
Habitat
On the ground
along safe,
secluded areas
Gulls and other related sea birds exist in great numbers along coastal areas, large lakes and rivers. A subset of long winged swimming birds, there are 45 species of Gulls. Twenty species are resident (nesting) in North America and four are visitors (non-nesting). An intelligent bird, they will carry mussels and clams high in the air and drop them on hard surfaces to get to the soft meat inside. Gulls have the ability to drink saltwater and freshwater, thanks to a pair of salt removing glands above their nostrils. They are good swimmers who can walk or run agilely on land. Gulls are scavenging birds; they will eat everything from dead fish and garbage to field mice and insects. Gulls enjoy protection at the federal, state and local levels.
Damage
Gulls can be a nuisance in coastal areas, particularly at dump sites, piers and harbors. Flocks of gulls often create hazardous conditions to low flying aircraft. Large buildup of droppings will lead to structural damage from the uric acid. Boats, streetlights and buildings are just a few of the items damaged from excessive gull droppings. Furthermore, their droppings can also pose a health risk.
Control
Gridwire systems and large 4" mesh StealthNet will deny access to large open areas.Bird-Flite spikes, 5" Bird Coil, and Bird-Shock electrical track are very effective on ledges depending on the level of bird pressure. The Daddi Long Legs is a great product to dissuade gulls from landing on silos, street lights, A/C units & large flat rooftops. For feeding sites such as dumps, a wide variety of audio/visual products like the Avikite or Flying OspreyZon Guns, Bird Bombs and Bird Bombs and Screamers, or and noisemakers like high tech multiple and random sound distress call units like the Bird-Gard, Squawker or BirdWailer units should be combined with exclusionary products such as Gridwire systems or 4" StealthNet.
Nesting
Gulls build basic nests on the ground in safe open areas. The nest often consists of grass, seaweed and some sticks. They nest in colonies on sandy or gravely areas near the shore.
Breeding
These birds have one brood a year with an average of three eggs. Incubation takes 20 to 24 days with a six week fledgling period before the young leave the nest. The eggs are brown, green or blue with blotches of black, brown or gray.
Cycles
Some species are migratory. Gulls need open water and secluded breeding areas. Because of this, Northern Gulls will fly south away from frozen lakes and rivers in the winter, while southern gulls stay put year round. They have a distinct springtime breeding season. The young take two years to mature and display adult plumage.
2 Comments:
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October 1, 2008 at 9:58 PM
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