Dec 31 2011
Wood Nuthatch (Sitta europaea) Science Article 3 abstract Bills of juvenile Nuthatches continue to increase in size (length and depth) for up to three months after fledging. Bills of individual full-grown birds increase in length from April to October with a temporary drop in June, and decrease throughout the winter season. Bill depth increases from …
Dec 31 2011
Wood Nuthatch (Sitta europaea) Science Article 1 abstract We expected to find a clearly manifested mate guarding behaviour in males of Sitta europaea as males of this socially monogamous species participate extensively in parental care. We recorded behaviour of nuthatches during one breeding season in primaeval stands of the Biatowie
Dec 31 2011
Wood Nuthatch (Sitta europaea) Science Article 2 abstract We choose the European Nuthatch (Sitta europaea), an extremely socially monogamous passerine species, to investigate the breeding biology and frequency of extra-pair activities of females. Breeding individuals live in strong pair bonds for their total life and defend their territory all year round. As a consequence of …
Dec 27 2011
Red-breasted Nuthatch (Sitta canadensis) Science Article 1 abstract Life-history theory predicts that differences in reproductive effort and residual reproductive value amongspecies should result in differences in the level of risk that parents are willing to tolerate to themselvesversus their offspring. CAMERON K. GHALAMBOR & THOMAS E. MARTIN, ANIMAL BEHAVIOUR, 2000, 60, 263-267 Download article download …
Dec 27 2011
Red-breasted Nuthatch (Sitta canadensis) Science Article 2 abstract On 15 September 1990 we collected a Red-breasted Nuthatch (Sitta canadensis) at Rancho Casa Verde. western slope of the Sierra Jubrez, east of Ensenada GORGONIO RUIZ-CAMPOS and LORENZO QUINTANA-BARRIOS, Western Birds 22:189-190, 1991 Download article download full text (pdf)
Dec 26 2011
Corsican Nuthatch (Sitta whiteheadi) Science Article 1 abstract The endemic Corsican Nuthatch Sitta whiteheadi population is small and currently restricted to mountain forests of Corsican Pine Pinus nigra laricio. An estimate of annual survival rate is an important parameter to allow evaluation of extinction risk. Adult Corsican Nuthatches were colour-ringed and resighted on territory in …
Jun 08 2011
[order] PASSERIFORMES | [family] Sittidae | [latin] Sitta krueperi | [UK] Krupers Nuthatch | [FR] Sittelle naine | [DE] Turkenkleiber | [ES] Trepador de Kruper | [NL] Turkse Boomklever Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Physical charateristics 10% smaller and even more compact than Nuthatch but with proportionately longer …
Jun 08 2011
[order] PASSERIFORMES | [family] Sittidae | [latin] Sitta pygmaea | [UK] Pygmy Nuthatch | [FR] Petite Sittelle | [DE] Zwergkleiber | [ES] Saltapalo enano | [NL] Dwergboomklever Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Sitta pygmaea NA, MA sw Canada to w Mexico Sitta pygmaea brunnescens Sitta pygmaea elii Sitta …
Jun 08 2011
[order] PASSERIFORMES | [family] Sittidae | [latin] Sitta canadensis | [UK] Red-breasted Nuthatch | [FR] Sittelle a poitrine rousse | [DE] Kanadakleiber | [ES] Trepador Canadiense | [NL] Canadese Boomklever Subspecies Monotypic species Physical charateristics Red-breasted nuthatches are small nuthatches with compact bodies, short tails and necks, and a long tapered bill. They have very …
Jun 08 2011
[order] PASSERIFORMES | [family] Sittidae | [latin] Sitta pusilla | [UK] Brown-headed Nuthatch | [FR] Sittelle a tete brune | [DE] Braunkopf-Kleiber | [ES] Sita del Pinar | [NL] Bruinkopboomklever Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Sitta pusilla NA se USA Sitta pusilla insularis Sitta pusilla pusilla Physical charateristics …
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