Ainley's Storm-petrel vs Markham's Storm-petrel
Hydrobates cheimomnestes compared with Hydrobates markhami
Side-by-Side Comparison
| Attribute | Ainley's Storm-petrel | Markham's Storm-petrel |
|---|---|---|
| Scientific Name | Hydrobates cheimomnestes | Hydrobates markhami |
| Order | Procellariiformes | Procellariiformes |
| Family | Hydrobatidae | Hydrobatidae |
| Conservation Status | Vulnerable | Near Threatened |
| Length | — | — |
| Wingspan | 30.1 cm (11.9 in) | 34.2 cm (13.5 in) |
| Weight | 41.15 g (1.45 oz) | 53.0 g (1.87 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
Ainley's Storm-petrel
Near Threatened
Markham's 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.
Markham's Storm-petrel
Markham's Storm-petrel, 22–23 cm, is a large all-dark storm-petrel breeding in the Atacama Desert of Chile and Peru — one of the few seabirds to nest in desert habitat far from the coast. Poorly known. Near Threatened. Pelagic over the Humboldt Current and cold eastern South Pacific waters.