Bird Families

Buller's Albatross (Thalassarche bulleri) Profile

Pin
Send
Share
Send
Send


Buller's albatross, scientific name Thalassarche bulleri, also called Buller's mollymawk, is a little mollymawk bird under albatross family.

Buller's albatross breeds on the islands surrounding New Zealand and feeds between Australia and the South Pacific.

Buller's albatross is found across New Zealand descent and from the Hamptons Current to the Pacific Ocean; Closing Chile and Peru are unusual.

The underwings have a darker black leading edge under all age groups, wider than the narrowest black edge of the larger Salvin and Chatham albatrosses, and the colder subtropical waters are stalkier than the gray-headed albatross.

The Adult Buller's albatross has a silver-white crown and a black hood with a dense yellow-colored gray hood.

The first-year Buller's albatross bird has a gray hood on a pal, a black pale bill with a “borderline” and a black subterminal band; In most cases, compare the immature salmon's albatross as large as 3 years old.

Description

Butler's albatross averages 79 cm (31 inches). It has a silver-gray forehead, gray head, and neck.

It has black patches around the eyes and white crescent on the back and bottom of the eyes. Its rear, upper wings, and tail are dark gray, and its upper and lower parts are white.

Its underway is white with a black tip, a dark band with a wide border on the top edge.

Bill of the Buller's albatross is large and black, and it has a black upper and a brownish color with the upper mandible and yellow on the tip.

Behavior

Reproduction

Buller's albatross colonizes nesting colonial, typically steep, steep coastal terraces, grassy grasslands, and the Tuscaloosa Hills. Birds of the Snares Islands also nest under indoor trees.

The nest of the Buller's albatross is a depressing soil, grass, and roots. Breeding begins in December. Eggs in the trap are hatched in late January.

The incubation lasts approximately 60 days, with both parents sharing the responsibility.

The average incubation shift is about 10 days. After pruning, it takes 170 days for the pelvis to shatter. They breed annually.

Upbringing

Buller's albatross feeds on squid, fish, tunicates, octopus, and crustacea.

Buller's Albatross is native to New Zealand. They breed the Snare Islands, the Solander Islands, the Chatham Islands, which is the Big and Little Sisters and the Forty-Four Islands and the Three Kings Islands, also named Rosemary Rock.

Adult grasses between 40 Tas S and 50 ° S from Tasmania to Chatham Rise The Chile and Peruvian juveniles and adults who do not spread to the South Pacific with large numbers of feedings each year at Humboldt Current.

Save

Wikipedia says the Buller's albatross was previously classified as a vulnerable species by the IUCN. But new research has proven that it's not rare to believe it.

As a result, it was reduced to threatening status at 26. It has an occurrence range of 16,100,000 km2 (6,200,000 sq mi) and a breeding range of 4 km2 (1.5 sq mi).

According to a 1999 estimate, there are 64,000 birds and there are 31,939 breeding adults.

These are located as follows: 8,877 pairs on the Snares Islands, 4,912 pairs on Solander Island,16,000 pairs on Forty-fours Island, 2,130 pairs on Big and Little Sister, 20 pairs on Rosemary Rock in the Three Kings group.

The population of the Snares Islands is on the rise, but this has not increased much since the 1970s, though the population of Solander Island remained stable around 3% from 1 to 6 1996.

The Swarns Islands have an adult Buller's albatross survival rate of 6.5% and brooding success rate of .8.8%, while the Big and Little Sisters have an adult survival rate of .5.5% and a breeding success rate of between 1 - 5%.

Buller's albatross is the most common bycatch from longline fisheries outside of New Zealand, and although net-sounded cables were banned in the 5th, squid trawlers still hold them.

Eventually, the Weka Gallirallus australis became introduced to the Big Sister, and eggs and chickens could collapse.

The colonies of the Chatham Islands are legally protected, except for private land.

Watch the video: How Big is a Wandering Albatross? (June 2021).

Pin
Send
Share
Send
Send