Common chiffchaff point, appears to be used to advertise an established territory and contact the female, rather than as a paternity guard strategy. Beyond the core territory, there is a larger feeding range which is variable in size, but typically ten or more times the area of the breeding territory. It is believed that the female has a larger feeding range than the male. After breeding has finished, this species abandons its territory, and may join small flocks including other warblers prior to migration. The male common chiffchaff returns to its breeding territory two or three weeks before the female and immediately
Field Guide to the Birds of Australia (Simpson & Day) Field Guide to the Birds of Australia (Simpson & Day) The Simpson & Day Field Guide to the Birds of Australia is one of the main national bird field guides used by Australian birders, which over the years has evolved through several revised and updated editions. Total sales exceed 500,000 copies. The book was first published in 1984 by Lloyd O’Neil as "The Birds of Australia", in hardcover format with a dust jacket, 285 mm high by 215 mm wide and weighing 1.7 kg. It contained illustrations by Nicolas Day of 758 species on 128 colour plates. It was divided