ocr: BECOMING AN ADULT SMALL SONGBIRD such as a A chickadee develops its adult plumage at three months and is ready to breed a year after hatching. Most larger birds take longer to mature. Big eagles and large seabirds such as gannets take five years or more to become adults. Albatross chicks can spend 10 months at the nest, and often do not breed until they are 10 years old. ALBATROSS CHICKS These black-browed albatross chicks are paiting for their parents to return to the nest.
