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Breeding pair is a pair of animals which cooperate over time to produce offspring with some form of a bond between the individuals. [1] For example, many birds mate for a breeding season or sometimes for life. They may share some or all of the tasks involved: for example, a breeding pair of birds may split building a nest, incubating the eggs ...
Hyacinth macaws sell for $5000–$12,000 per mature breeding pair [45] Captive bred blue-and-yellow macaw were sold for around $1,800 in the United States in the early 1980s, and for $650 to $900 in the early 1990s [44] Live birds and bird eggs are the second most common major seizure by the Australian Customs Service [46]
Monogamy is defined as a pair bond between two adult animals of the same species. This pair may cohabitate in an area or territory for some duration of time, and in some cases may copulate and reproduce with only each other. Monogamy may either be short-term, lasting one to a few seasons or long-term, lasting many seasons and in extreme cases ...
Red-rumped parrots are non-migratory, with local movements after the breeding season. They can be found in pairs or flocks, occasionally reaching numbers of up to 100 or more birds. They are most crepuscular, active during dawn and dusk and avoiding activity during the hottest times of day.
[33] [34] Almost all established breeding golden eagles build more than one nest. [1] A typical range of nests per pair is between 2 and 5. In Sweden, pairs on average built 2.4 of them. [25] There is an average of about 4.5 nests per pair in Scotland. [1] In Idaho, there was an average of 6 nests per pair. [9]
Cooperative breeding encompasses a wide variety of group structures, from a breeding pair with helpers that are offspring from a previous season, [2] to groups with multiple breeding males and females (polygynandry) and helpers that are the adult offspring of some but not all of the breeders in the group, [3] to groups in which helpers ...
The Laysan albatross has an occurrence range of 38,800,000 km 2 (15,000,000 sq mi) and a breeding range of 3,500 km 2 (1,400 sq mi) with a population of 1,180,000 mature birds estimated in 2006. [4] Midway Atoll, Laysan Island, and the French Frigate Shoals have more than 90% of the breeding pairs at 551,940. [26]
The reality of bird hybrids also calls into question modern definitions of the word "species". Throughout literature, there tends to be a general vagueness regarding the word "species" and how it should be defined. Birds serve as an excellent example of this fluidity due to the remarkable cross-breeding opportunities. [citation needed]
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