Skimmers are tern-like seabirds that comprise the Rynchopidae family, and are named as such because of their particular feeding habits.
Skimmers are unique in that their large beaks are longer on the bottom than on the top. This allows them to hunt by flying just above the water with the lower half of their beaks partially submerged. Any small fish that isn’t able to dart out of the way gets quickly snapped into the skimmer’s mouth and becomes lunch.
There are three known species of skimmers; the black skimmer of North and South America, the African skimmer, and the Indian skimmer of southern Asia.
Showing posts with label Seabird. Show all posts
Showing posts with label Seabird. Show all posts
Wednesday, December 14, 2011
Friday, August 26, 2011
The Arctic Tern - Frequent Flyer
Arctic terns may be considered seabirds, but they don’t spend very much time on the ground. In a single year an arctic tern may fly over 44,000 miles, an amazing but necessary feat for a bird that spends its summers and winters on opposite ends of the earth. Arctic terns may fly over 1.5 million miles in their 20+ year lifetimes.
During the northern summer arctic terns can be found throughout coastal regions of northern Europe, Asia and North America nesting. Once the northern winter draws near, the terns will set out for their southern home in Antarctica. Because they fly with prevailing winds, the journey south may be up to 14,000 miles long. Whereas terns will stay on coastal land during the northern summer, they spend their time in Antarctica on and around pack ice during the rare times they’re not in the air.
Arctic terns are primarily carnivores and feed most often on small varieties of fish such as herring and cod, usually diving down to the surface to snatch the fish out of the water. In addition, they will also feed on crustaceans, berries and insects during the northern summer.
Once they have reached their third or fourth year of life arctic terns will begin breeding; pairs will usually mate for life. Chicks are born after about a month of incubation and must quickly learn to fly and hunt before making the long trek south for the winter. It is likely that all birds in the family will return to the same nesting site for the rest of their lives.
During the northern summer arctic terns can be found throughout coastal regions of northern Europe, Asia and North America nesting. Once the northern winter draws near, the terns will set out for their southern home in Antarctica. Because they fly with prevailing winds, the journey south may be up to 14,000 miles long. Whereas terns will stay on coastal land during the northern summer, they spend their time in Antarctica on and around pack ice during the rare times they’re not in the air.
Arctic terns are primarily carnivores and feed most often on small varieties of fish such as herring and cod, usually diving down to the surface to snatch the fish out of the water. In addition, they will also feed on crustaceans, berries and insects during the northern summer.
Once they have reached their third or fourth year of life arctic terns will begin breeding; pairs will usually mate for life. Chicks are born after about a month of incubation and must quickly learn to fly and hunt before making the long trek south for the winter. It is likely that all birds in the family will return to the same nesting site for the rest of their lives.
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