Ainley's Storm-petrel vs Guadalupe Storm-petrel

Hydrobates cheimomnestes в сравнении с Hydrobates macrodactylus

Side-by-Side Comparison

Характеристика Ainley's Storm-petrel Guadalupe Storm-petrel
Научное название Hydrobates cheimomnestes Hydrobates macrodactylus
Отряд Procellariiformes Procellariiformes
Семейство Hydrobatidae Hydrobatidae
Охранный статус Vulnerable Not Evaluated
Длина
Размах крыльев 30,1 cm (11.9 in) 32,7 cm (12.9 in)
Масса 41,15 g (1.45 oz) 36,71 g (1.29 oz)
Питание -- --
Размер кладки 1 1
Population Trend

Habitat Comparison

Общие среды обитания

Нет

Ainley's Storm-petrel only

Нет

Guadalupe Storm-petrel only

Охранный статус

Vulnerable

Ainley's Storm-petrel

Not Evaluated

Guadalupe Storm-petrel

About These Birds

Ainley's Storm-petrel

Ainley's Storm-petrel, 19–21 cm, is a recently described species breeding on the Channel Islands off California, present in winter — unusual among storm-petrels which typically breed in summer. Dark overall, white rump with central grey stripe. Vulnerable; small population and restricted range.

Guadalupe Storm-petrel

Guadalupe Storm-petrel, 22–23 cm, is Critically Endangered — possibly extinct; no confirmed sightings since the 1930s when cats eliminated the colony on Guadalupe Island. Large, all-dark storm-petrel very similar to Black Storm-petrel. Status uncertain; intensive searches have not relocated any individuals.

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