Black Storm-Petrel

About the Black Storm-Petrel

The black storm petrel (Hydrobates melania) is a small seabird of the storm petrel family Hydrobatidae. It is 23 cm in length, with a wingspan of 46–51 cm. The species breeds colonially on islands off the southern California coast of the United States and off the Baja Peninsula and Gulf of California of Mexico. Nesting sites are usually in rock crevices, occasionally in small burrows in soft earth. It also uses unused burrows from auklets. Colonies are attended nocturnally in order to avoid predatory birds such as gulls, hawks and owls. Like most petrels, its walking ability is limited to a short shuffle to the burrow. The female lays a single white egg per breeding season, if the egg is lost then it is replaced only rarely. Both parents share incubation duties, incubation lasting around 50 days. The chick is brooded for a few days after hatching until it is able to thermoregulate by itself, after which both parents forage to provide food. Chicks fledge 10 weeks after hatching.

The black storm petrel spends the rest of the year at sea, but occurring closer to shore than most other storm-petrels. Because of this, it sometimes can be seen from the mainland. It undertakes... Wikipedia →