Nesting by pomarine jaegers near Barrow, Alaska, 1971

An estimated 5.7 pairs of pomarine jaegers km ^-2 (14.8 mi ^-2) nested near Barrow, Alaska, in 1971. Hatching success of 67 eggs (34 nests) was 57%. Fledging success of 44 nestlings (26 nests) was 32%. An estimated 0.4 young survived to 25 d of age per nesting attempt. Low fledging success is explained by an abrupt decline in lemming abundance.