Trabancos (river) Castile and León (with more than 200 mating pairs). It is also the winter season nesting ground of more than 1,500 red kites ("Milvus milvus"). There are also numerous birds of prey; the most abundant are Montagu's harriers ("Circus pygargus", 50 mating pairs) and lesser kestrels ("Falco naumanni"; almost 150 mating pairs), but there are also hawks, goshawks, falcons, owls, and others. The region is also host to numerous gamebirds, including the red-legged partridge ("Alectoris rufa"). Despite their importance, the population of little bustard ("Tetrax tetrax") in the region appear to be diminishing. Although not all the species protected in
Great and Little Kimble in the cold weather, at the foot of the Chiltern Hills." Griffin House School, formerly Ladymede School, an independent co-educational school, is located in Little Kimble. It has a capacity of just over 100 day students from ages 3–11. The main A4010 road runs through Great and Little Kimble, as does the Chiltern railway line between Aylesbury and Princes Risborough. Where the main road meets the railway is Little Kimble railway station, which has been in operation since 1872, although the station buildings are now a private dwelling. There is a level crossing at Marsh. Great and Little Kimble Great