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They nest among rocks and cliffs. The nests are made up of shells and debris or of dead vegetation. Clutch size is 3, on average, and the chicks hatch in 3 to 4 weeks. Young fledge in 27 to 30 days. Common tern chicks are able to fly by the time they are a month old but do not reach sexual maturity for 3 years.ommon terns are found from northern Canada south to the Caribbean Sea, as well as throughout Europe, Northern Asia, North Africa, and the Middle East. Some populations of common terns winter in the south to Peru and Argentina. (Ehrlich, et al., 1988; Malling Olsen and Larsson, 1995).
By comparison, the smaller shrews, among the smallest of all mammals, seldom live more than 2 years.[16] The longest recorded lifespan in the wild is that of a female Broad-tailed Hummingbird that was banded (ringed) as an adult at least one year old then recaptured 11 years later, making her at least 12 years old.