The Wikipedia article of the day for October 30, 2020 is European storm petrel.
The European storm petrel (Hydrobates pelagicus) is a small, square-tailed seabird with a fluttering flight. It is black except for a white rump and a white band under its wings. Most birds breed on islands off western Europe, with a separate subspecies occurring in the Mediterranean. The storm petrel lays a single white egg in a burrow. The adults share incubation and feeding the chick. This bird is oceanic outside the breeding season, wintering off the western coasts of Africa. It feeds on small fish, and can find oily edible items by smell. The chick is fed with an oily liquid regurgitated by the adults. Silent at sea, the storm petrel has a chattering call given during courtship, and the male has a purring song. The storm petrel cannot survive where rats or cats have been introduced, and it is killed by large birds such as gulls. It is classified by the IUCN as being of least concern. Folklore claiming that the bird can foretell or cause bad weather has led to its use as a symbol by some revolutionary groups.
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