Everything about Fulmar totally explained
The two
Fulmars are closely related
seabirds occupying the same niche in different
oceans. The
Northern Fulmar (
Fulmarus glacialis), or just
Fulmar lives in the north
Atlantic and north
Pacific, whereas the
Southern Fulmar (
F. glacialoides) is, as its name implies, a bird of the southern
oceans. These
birds look superficially like
gulls, but are unrelated, and are in fact
petrels. The northern
species is grey and white with a yellow bill, 43-52 cm in length with a 101-117 cm wingspan. The southern form is a paler bird with dark
wing tips, 45-50 cm long, with a 115-120 cm wingspan.
Two prehistoric species have been described from
fossil bones found on the
Pacific coast of
California:
Fulmarus miocaenus from the Middle and
Fulmarus hammeri from the Late
Miocene.
Both Recent species breed on
cliffs, laying a single white
egg. Unlike many small to medium birds in the
Procellariiformes they're neither
nocturnal breeders, nor do they use
burrows;their eggs are laid on the bare rock or in shallow depressions lined with plant material. Nesting birds and chicks can eject an evil smelling
stomach oil up to 2 m, which repels unwanted visitors. It will matt the
plumage of avian predators, and can lead to their death. Northern Fulmars historically bred on
St. Kilda, and spread into northern
Scotland in the 19th century, and to the rest of the
United Kingdom by 1930. For example, establishment of colonies at the
Fowlsheugh Reserve in Scotland was one of the first areas to be developed for new permanent Fulmar breeding areas.
They are highly
pelagic outside the breeding season, like most
tubenoses, feeding on
fish, oil or
offal. Recent studies in the
North Sea have shown them especially susceptible to
plastic discards. The range of these species increased greatly last century due to the availability of fish offal from commercial fleets, but may contract because of less food from this source and climatic change. The population increase has been especially notable in the
British Isles.
Like other
petrels, their walking ability is limited, but they're strong fliers, with a stiff
wing action quite unlike the
gulls. They look bull-necked compared to gulls, and have short stubby bills. They are long-lived, with a lifespan of 40 years not uncommon.
Image:Southern Fulmar closeup.jpg|Southern Fulmar in Drake's Passage.
Image:Fulmarus glacialis 1 8.jpg|Northern Fulmar, breeding on Bjørnøya
Image:Fulmarus glacialis 1 1.jpg|Northern Fulmar, in flight at Spitsbergen
Image:Fulmarus glacialis 1 2.jpg|Northern Fulmar, breeding on Bjørnøya
Image:Eissturmvogel02.jpg|Northern Fulmar, at the Norwegian bird-island Runde
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