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
Rearing Horse and Mounted Warrior 2009 investigation organised by the National Gallery of Art suggests that the statuette was cast near or after Leonardo's death in 1519 using the lost wax technique. The composition of the metal alloy is identical in all the parts of the statuette, apart from the modern pin used to attach the rider. Equestrian statuettes with only slight variations to the "Rearing Horse and Mounted Warrior" have been discovered over the years. They are often referred to by their location. Particularly the "Rearing Horse" at the Metropolitan Museum of Art in New York and in the Hunt Museum in Limerick, Ireland,