English name : Tree Swallow | French (Français) name : Hirondelle bicolore | Spanish: Golondrina bicolor | Latin: Tachycineta bicolor (Vieillot, 1808)
Description: small head; Gleaming blue-green top; throat and underside white ; Long wings (relative to the body) black; Little black beak.
Size: 12-15 cm | 5 "-6" in.
Wingspan: 32 cm (F. J. Alsop) | 12" in | 1 ' ft
Weight: 17-25.5 g (HBW Alive) | 0.6-0.88 oz
Longevity: Average 2 years 3/4, up to 8 (Wikipedia French)-11 years (Oiseaux.net) | 132 months | 572 Weeks | 4018 days
Eggs: 4-6 white; 1.3 x 2 cm (F. J. Alsop)
Incubation: 11-20 days (Wikipedia English) | 2 weeks
Brooding: 13-16 days, one brood per year (F. J. Alsop) | 2 weeks
Food: Insects, spiders, molluscs, fruits. (HBW Alive)
Habitat: Near lakes, marshes, ponds; In short, near the water. (HBW Alive)
Distribution: North America and Central America
IUCN Status: LC | Least Concern (IUCN)
Population: stable (IUCN)
Estimated extent of occurence : 8,340,000 km2 (8 340 000 sq km) (IUCN)
Situation North America: Common in spring, sometimes summer and autumn, absent in winter. Migratory.
Ajouter un commentaire