 <unk> vary greatly in size , shape and markings , but are generally elongated <unk> ; white to cream or pinkish or buff coloured ; <unk> , spotted or blotched with reddish brown to chestnut or a purplish red , sometimes with underlying markings of violet or purplish grey . The clutch consists of two to four eggs . Incubation is by the female only , and the incubation period is around sixteen days . <unk> is <unk> , with up to six days being recorded between the hatching of the first and last chicks in a clutch . Young are naked at hatching , and develop a cover of down within two to three days . The fledging period is around sixteen days , and young begin to find food for themselves between twenty @-@ six and thirty days after fledging , but are still regularly fed by adults to thirty @-@ five days . The young leave the nest before they are fully fledged , and only able to fly downwards , and scramble up . They do not go far from the nest , return to it at night , and take some weeks to completely leave the nest . Many fledglings are found on the ground and in low shrubs during this period , where they continue to be cared for until they can make their way up into the trees . These birds are often mistakenly " rescued " . The fledglings seek out siblings if separated , and <unk> together for up to three weeks after fledging . 
