Guadalupe Storm-petrel vs Least Storm-petrel
Hydrobates macrodactylus compared with Hydrobates microsoma
Side-by-Side Comparison
| Attribute | Guadalupe Storm-petrel | Least Storm-petrel |
|---|---|---|
| Scientific Name | Hydrobates macrodactylus | Hydrobates microsoma |
| Order | Procellariiformes | Procellariiformes |
| Family | Hydrobatidae | Hydrobatidae |
| Conservation Status | Not Evaluated | Least Concern |
| Length | — | — |
| Wingspan | 32.7 cm (12.9 in) | 23.8 cm (9.4 in) |
| Weight | 36.71 g (1.29 oz) | 18.0 g (0.63 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Not Evaluated
Guadalupe Storm-petrel
Least Concern
Least Storm-petrel
About These Birds
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.
Least Storm-petrel
World's smallest seabird at 13–15 cm. Sooty-black with white rump; short rounded wings. Breeds Baja California islands; ranges offshore in eastern Pacific to Ecuador. Feeds on zooplankton and small fish by pattering on the surface. Nocturnal at breeding colonies; Near Threatened.