The Krüper's Nuthatch, Sitta krueperi, is a small nuthatch. The name commemorates the German naturalist Theodor Johannes Krüper.
Distribution and habitat 
It is found in south-eastern Europe and south-western Asia where it occurs in Turkey, Georgia, Russia, and on the Greek island of Lesvos. It is associated with Turkish Pine (Pinus brutia) forests.
The birds breed from mid March to late June in the pine forests of Antalya, Turkey. They forage in pairs and when one bird finds food, calls for the other to join. Courtship includes ritual feeding of the female by the male. They nest in decayed cavities or woodpecker holes. Only the female incubates the egg while the male feeds it. Males fluff up their feathers and assume a hunched posture when defending their territory. Fledglings are often seen hanging from branches.
- ^ BirdLife International (2005). Sitta krueperi. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 09 May 2006. Database entry includes a justification of why this species is near threatened
- ^ Frankis, M.P. 1991. Krueper's Nuthatch Sitta krueperi and Turkish pine Pinus brutia: an evolving association. Sandgrouse 13: 92-97.
- ^ Polivanov, V.M. and Polivanova, N.N. 1986. Sitta krueperi Pelz. Trudy Teberdinsk. Gos. Zapoved. 10: 115-121.
- ^ Albayrak, Tamer, Ali Erdogan (2005) Observations on Some Behaviours of Krueper's Nuthatch (Sitta krueperi), a Little-Known West Palaearctic Bird. Turk J. Zool. 29:177-181
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