What is the black Brant?
The scientific name for Black Brant, or Pacific Brent Goose, is Bernicla nigricans . In addition to having the shortest tail of any type of goose, Black Brant is small enough so that the uninitiated can confuse the bird for a duck. Determination of Black Brants ranges from Alaska and Canadian Arctic to Baja California. Bird populations are affected by hunting and increasing pressure on the habitat due to the growth of human populations. The foxes also had a negative impact on the bird population, because foxes like to dinner on black eggs Brant.
Black Brant Gees are small birds in relation to other goose. These birds are about 24 inches (60 cm) long and can weigh up to 63.5 ounces (1800 g). Birds have mostly black -brown upper bodies and are gray under white tails. There are white rings around the neck.
Pacific Brent Geese almost rely entirely on Eelgrass for Nutrition. Eelgrass, or a shark, is a salt water plant that prefers shallow depths that are muddy or sandy. Although there is a maltThe metal eel, called Vallisneria, black Brant geese eats varieties of salt water.
In fact, black Brant geese rarely lost from the ocean. Over the years, these birds have adapted to their habitat by developing the ability to drink salty water. Although in the selection, the Pacific Brent Geese drink fresh water, these birds have salts that allow them to consume salty water.
Black Brant Geese Mate for life and returns to the same nesting area every year. The female laid on seven eggs in a shallow hole in the ground with moss and seaweed. A few days after hatch, chickens start looking for food.
Most geese form direct lines or shapes in migration. Unlike other geese, Brant Blacks, who migrate up to three thousand miles every year, do not fly in formation. Pacific Brent Geeslétat in groups called blizzards or knots, without patterns.
In addition to the pressures from human beings and foxes are popLace Black Brant's geese affected by the availability of food sources. For example, during the 30th of the 20th century. This not only caused a decline in birds' populations, waste of disease and eels influenced the availability of local crabs, lobsters and fish. As Eelgrass has recovered, the number of black wihes increased.