The bar-tailed godwit (Limosa lapponica ) is a large wader in the family Scolopacidae, which feeds on bristle-worms and shellfish on coastal mudflats and estuaries. It has distinctive red breeding plumage, long legs, and a long upturned bill. Bar-tailed godwits breed on Arctic coasts and tundra from Scandinavia to Alaska, and overwinter on coasts in temperate and tropical regions of the Old World, Australia, and New Zealand. The migration of the subspecies Limosa lapponica baueri across the Pacific Ocean from Alaska to New Zealand is the longest known non-stop flight of any bird, and also the longest journey without pausing to feed by any animal. The round-trip migration for this subspecies is over 29,000 km (18,020 mi).
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DiurnalDiurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends ...
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CarnivoreA carnivore meaning 'meat eater' is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of a...
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SemiaquaticSemiaquatic animals are those that are primarily or partly terrestrial but that spend a large amount of time swimming or otherwise occupied in wate...
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Wading birdsWading birds forage along shorelines and mudflats searching for small aquatic prey crawling or burrowing in the mud and sand. These birds live in w...
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PrecocialPrecocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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CongregatoryCongregatory animals tend to gather in large numbers in specific areas as breeding colonies, for feeding, or for resting.
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Wading birds forage along shorelines and mudflats searching for small aquatic prey crawling or burrowing in the mud and sand. These birds live in w...
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MonogamyMonogamy is a form of relationship in which both the male and the female has only one partner. This pair may cohabitate in an area or territory for...
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FlockingFlocking birds are those that tend to gather to forage or travel collectively. Avian flocks are typically associated with migration. Flocking also ...
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MigratingAnimal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migrati...
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TravelersThe Bar-tailed godwit is a large wading bird. Its migration includes the longest known non-stop flight of any bird and also the longest journey without pausing to feed by any animal. Adult birds have blue-grey legs and a slightly upturned bi-colored bill, pink at the base and black towards the tip. The neck, breast, and belly are unbroken brick red in breeding plumage and are off white in winter. The back of these birds is mottled grey in color.
Bar-tailed godwits breed in Scandinavia, northern Asia, and Alaska and migrate to coastal East and South Asia, Australia, Africa, northwestern Europe, and New Zealand. Their breeding grounds include open tundra, mudflats, marshy and swampy areas, river valleys, lakes, and bogs. The winter habitats are usually located along muddy coastlines, estuaries, shallow bays and lagoons.
Bar-tailed godwits are social but extremely wary birds. They congregate in flocks but when feeding during the day they may disperse individually or in small groups. Bar-tailed godwits forage by probing in mudflats or marshes using their long sensitive bills. They may also find insects by sight in short vegetation. When birds are alarmed they produce high-pitched “kik” or “kiv-ik”. During courtship displays and on nesting grounds their calls sound as “a-wik, a-wik, a-wik” and a “ku-wew, ku-wew”.
Bar-tailed godwits are carnivores and eat mainly insects, crustaceans, and mollusks. They may also feed on parts of aquatic plants, seeds, and berries occasionally.
Bar-tailed godwits are monogamous which means that one male mates with only one female. They breed between May and June performing courtship displays in which the male circles high above the nest site and calls loudly. The nest is a shallow cup in moss sometimes lined with vegetation. The female lays 2 to 4 which are incubated about 20-22 days. Both parents share incubation of the eggs and care for the young. The chicks are precocial (fully-developed; they hatch with their eyes open and are able to follow their parents to nearby marshy areas to find their own food. The young fledge and become independent from their parents when they are 1 month old reach reproductive maturity at 2 years of age.
Major threats to Bar-tailed godwits include habitat loss due to residential and commercial development, expansion of the agriculture and mining, climate change and serve weather as well as hunting in some areas of their range. They also suffer from pollution, human disturbance, and outbreaks of infectious diseases.
According to the IUCN Red List, the global Bar-tailed godwit population size is around 1,099,000-1,149,000 individuals. The European breeding population consists of 3,700-9,000 pairs, which equates to 7,400-18,000 mature individuals. The East Asian-Australasian Flyway population includes 325,000 individuals. Currently, this species is classified as Near Threatened (NT) on the IUCN Red List and its numbers today are decreasing.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...