Breeding pair insect. True breeding pairs are rare in amphibians or reptiles, although the Australian Shingleback is one exception with long-term pair-bonds. Some fish form short term pairs and the French angelfish is thought to pair-bond over a long term. True breeding pairs are quite common in birds. Breeding pair arrangements are rare in mammals, where the prevailing patterns are either that the male and female only meet for copulation (e.g. brown bear) or that dominant males have a harem of females (e.g. walrus). Breeding pair Breeding pair is a pair of animals which cooperate over time to produce offspring with some
The EBCC Atlas of European Breeding Birds a section listing national and major regional published bird atlases. The bulk of the book (772 pages) consists of species accounts. All birds with established breeding populations within Europe are covered in a single-page or two-page account which includes a map of breeding distribution, histograms showing those countries with the largest breeding populations, and a species text. Seventeen further species for which some breeding behaviour has been observed within the region are covered more briefly. Some species distributions are shown on maps of the whole survey area, but for those with more restricted distributions, base maps showing only a relevant