Chinese Nuthatch vs Krüper's Nuthatch

Chinese Nuthatch

Sitta villosa

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This species is locally found in sympatry with the Eurasian nuthatch (S. europaea), but differs from it in its smaller size, clearly visible white supercilium, black crown in males, and relatively plain underparts, lacking the reddish undertail coverts and flanks. In the west of its range, the Chinese nuthatch can also be found with Przevalski's nuthatch (S. przewalskii), and both have brightly cinnamon-coloured underparts. The Chinese nuthatch is easily distinguished by its black eyestripe, while Przevalski's nuthatch has very light cheeks contrasting with the breast. Voice: The Chinese nuthatch sings from the tops of pine and spruce trees. Harrap gives three basic types of calls. The first is a harsh, prolonged schraa, schraa call, reminiscent of the Eurasian jay (Garrulus glandarius), and similar to some calls found in the Corsican nuthatch, Algerian nuthatch, and Krüper's nuthatch. Given, in agitation or excitement, singly or in irregular series at intervals of 0.

ID text from Wikipedia, CC BY-SA 4.0

Photo: (c) Kim, Hyun-tae, some rights reserved (CC BY), uploaded by Kim, Hyun-tae · cc-by

Krüper's Nuthatch

Sitta krueperi

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The Krüper's nuthatch is a small to medium-sized nuthatch, measuring 12.5 centimetres (4.9 in) in length. In males and females, the folded wing measures 71–81 millimetres (2.8–3.2 in) and 68–74 millimetres (2.7–2.9 in) respectively, the tail 33–40 millimetres (1.3–1.6 in) and 33–38 millimetres (1.3–1.5 in). The bill measures 17.9–20.2 millimetres (0.70–0.80 in) and the tarsus 16.9–19.3 millimetres (0.67–0.76 in). The adult male weighs 10–14.3 grams (0.35–0.50 oz). Voice: The Krüper's nuthatch is a noisy bird, and is often easily detected and identified by its calls. The contact call is a dvui, sometimes made in a dui-dui-dui-dui series and reminiscent of the European greenfinch (Chloris chloris). When agitated, it produces a rough èèhch reminiscent of the Eurasian jay (Garrulus glandarius) or a dry puik.

ID text from Wikipedia, CC BY-SA 4.0

Photo: (c) Ульяна Лалак, some rights reserved (CC BY), uploaded by Ульяна Лалак · cc-by

Photos and recordings are credited to their authors under the licence shown. Full profiles: Chinese Nuthatch and Krüper's Nuthatch.