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Sungei Buloh Wetland Reserve [a] is a nature reserve in the northwest area of Singapore. It is the first wetlands reserve to be gazetted in Singapore (2002), and its global importance as a stop-over point for migratory birds was recognised by the inclusion of the reserve into the East Asian Australasian Shorebird Site Network.
Cyanocitta is a genus of birds in the family Corvidae, a family which contains the crows, jays and magpies. The genus includes two crested jays with blue plumage and a distinctive feather crest. Found only in temperate North America, the Rocky Mountains divide the two species.
The site of nesting is usually in a shallow water marsh. Both males and females help to build a floating platform nest of vegetation (Kaufman 1996). Because of the colonial nature of these birds nests must be continually guarded during the breeding season. If left unattended other pairs of birds seeking nest sites will seize the platform. [6]
The white-winged dove of southwestern North America was known to nest in large colonies when foraging areas could support such numbers. In 1978, in Tamaulipas , Mexico, researchers counted 22 breeding colonies of white-winged doves with a collective population size of more than eight million birds.
The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.
The common ground dove is North America's smallest and one of the world's smallest by mass. This species ranges from 15–18 cm (5.9–7.1 in) in length, spans 27 cm (11 in) across the wings, and weighs 26–40 g (0.92–1.41 oz). [8] The common ground dove has a yellow beak with a black tip. Feathers surrounding the beak are pink in colour.
Audubon's illustration of nesting house wrens. The nesting habits do not seem to differ significantly between the northern and southern house wrens. They usually construct a large cup nest in various sorts of cavities, taking about a week to build. The nest is made from small dry sticks and is usually lined with a variety of different materials.
Birds of North America. vol 0, no 423. p. 1–23. Cook LF & Toft CA. (2005). Dynamics of extinction: population decline in the colonially nesting Tricolored Blackbird Agelaius tricolor. Bird Conservation International. vol 15, no 1. p. 73–88. Crase FT & De Haven RW. (1977). Food of Nestling Tricolored Blackbirds. Condor. vol 79, no 2. p. 265 ...