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After the juveniles fledge, the family travels and forages together until early fall, when the young birds disperse to avoid competition for food during the winter. Sexual maturity is reached after one year of age. The oldest known wild, banded Blue Jay was at least 26 years, 11 months old when it was found dead after being caught in fishing gear.
If you have a nest box that has had bluebirds fledge, remove the old nest. Also remove the old nest if the bluebird nesting has failed for some reason. They can quickly start over.
A common pattern in North America is clockwise migration, where birds flying North tend to be further West, and flying South tend to shift Eastwards. Many, if not most, birds migrate in flocks. For larger birds, flying in flocks reduces the energy cost. Geese in a V formation may conserve 12–20% of the energy they would need to fly alone.
Eastern bluebirds measure 16–21 cm (6.3–8.3 in) long, span 25–32 cm (9.8–12.6 in) across the wings, and weigh 27–34 g (0.95–1.20 oz). [12] [11] Male bluebirds have a bright head, back, and wings. Their breast is a brownish red. [12] Females are lighter with gray on the head and back and some blue on their wings and tail.
Fledging is the stage in a flying animal's life between hatching or birth and becoming capable of flight. This term is most frequently applied to birds , but is also used for bats . [ 1 ] [ 2 ] For altricial birds, those that spend more time in vulnerable condition in the nest , the nestling and fledging stage can be the same.
Bluebirds have two or three nestings per year so do not give up trying to attract them. Keep monitoring your bluebird nest boxes and make sure that they aren’t occupied by house sparrows.
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The western meadowlark is the state bird of Kansas. This list of birds of Kansas includes species documented in the U.S. state of Kansas and accepted by the Kansas Ornithological Society (KOS). As of January 2022, there are 483 species included in the official list. [1]