Friday, 25 April 2014

Gulls


Although they love to fish, Sea gulls have long been associated with ocean coasts. However, several species have extended their ranges significantly inland, with landfills and agricultural development being the attractions. Sea gulls are mainly nuisance pests around harbors, landfills, agricultural areas, and when begging for food. In addition, they foul residential and commercial buildings and public areas with their smelly droppings, and they account for 50% of documented aircraft-bird strikes. Sea gulls are worldwide in distribution, but are found mainly around sea coasts and large inland waterways. The Kelp or Dominican gull lives on the Antarctic Peninsula and at most sub-Antarctic islands, where it is resident year-round, generally in small numbers. They are also broadly distributed throughout southern Africa, Australasia and South America. A subspecies of the Kelp gull (Larus dominicanus vetula) is found along the southern African coastline. It is now considered sufficiently different from the principal race to be regarded as a separate species.
» Habitat:Stream and river banks in the Tabonuco, Palm and Palo Colorado forest types.
» Discription: Depending on the species, adults about 11-30" (27.9-76.2 cm) long. Large, mainly white water birds with slightly hooked bill, long pointed wings, usually short fan-shaped tail, and webbed feet. swim and feed at water surface. Color mainly white with no brown plumage, head feathers vary seasonally from dirty white/brown to pure white/black, and tail whitish with no dark bars. Immature gulls often dirty white to brown.
» Wingspan: 3 to 4 feet
» Weight: 2 to 3 pounds
» Diet: Shellfish, invertebrates, fish, carrion

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