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With an average length of 20 cm (7.9 in) and a wingspan of up to 38 cm (15 in), the purple martin is the largest amongst the 90 odd species in the family Hirundinidae. [9] Measurement ranges: [10] Length: 7.5–7.9 in (19–20 cm) Weight: 1.6–2.1 oz (45–60 g) Wingspan: 15.3–16.1 in (39–41 cm) Purple martins are sexually dimorphic. Adult ...
The genus Progne was introduced in 1826 by the German zoologist Friedrich Boie for the purple martin. [2] [3] The genus name refers to Procne (Πρόκνη), a mythological girl who was turned into a swallow to save her from her husband. She had killed their son to avenge the rape of her sister.
The Purple Martin Conservation Association tracks the arrival of the birds with the help of about 3,500 volunteers. A smaller group of about 220 volunteers monitors the nests. For more information ...
Location dependent, copulation takes place mid-May with the eggs being laid by the start of June, followed by a couple weeks of incubation before hatching. The average clutch size is 5 eggs, with females laying approximately 1 per day. During the weeks post-hatching, the parents feed their young as they slowly begin to grow their feathers.
Eastern bluebird at the entrance of a nest box. A nest box, also spelled nestbox, is a man-made enclosure provided for animals to nest in. Nest boxes are most frequently utilized for birds, in which case they are also called birdhouses or a birdbox/bird box, but some mammals such as bats may also use them.
Despite blowing nobody out, the Chiefs remain the league's only undefeated team.
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