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
The Birds' Christmas Carol illness (possibly tuberculosis), and, by the time she is 10, she is bedridden; physicians say that she does not have long to live. Most of the brief novel's plot involves Carol making plans for a Christmas celebration for the nine Ruggles children, a poor, working-class family living near the Birds. Wiggin's story is primarily a moral tale about a saintly child, but unlike many other such stories of the period, Carol is refreshingly intelligent and cheerful instead of pious. The story is also enlivened by many humorous touches, particularly in the scenes of the Ruggles family's home life. In 1917,