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Certhiidae

Birds Guide

Certhiidae

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Treecreepers

 
 
Scientific classification
Kingdom: Animalia
 
Phylum: Chordata
 
Class: Aves
 
Order: Passeriformes
 
Family: Certhidae
 
Genus: Certhia and Salpornis
 
Species
Certhia familiaris
C. hodgsoni

C. americana
C. brachydactyla
C. himalayana
C. tianquanensis
C. nipalensis

C. discolor
C. manipuensis
Salpornis spilonotus
 

The treecreepers (Certhiidae) are a family of small passerine birds, consisting of two subfamilies:

  • The typical treecreepers (Certhiinae) are a group of seven species found in Europe and Asia, with one representative, the Brown Creeper in North America.
  • The Spotted Creeper Salpornis spilonotus (Salpornithinae), which is found in India and Africa.

Contents

Typical treecreepers

The typical treecreepers are all very similar in appearance, and can present serious identification problems where two species occur together. They do not migrate other than for local movements.

The treecreepers are small woodland birds, brown above and white below. They have thin pointed down-curved bills, which they use to extricate insects from bark. They have stiff tail feathers, like woodpeckers, which they use to support themselves on vertical trees.

Nests are in tree crevices or behind bark.

Following recent studies of cytochrome b mtDNA sequence and song structure (Tietze et al., 2006), the following species are recognized:

  • Common Treecreeper or Eurasian Treecreeper, Certhia familiaris
    Hodgson's Treecreeper, Certhia hodgsoni
    Brown Creeper, Certhia americana
    Short-toed Treecreeper, Certhia brachydactyla
    Himalayan Treecreeper or Bar-tailed Treecreeper, Certhia himalayana
    Sichuan Treecreeper, Certhia tianquanensis
    Nepal Treecreeper or Rusty-flanked Treecreeper, Certhia nipalensis
    Sikkim Treecreeper or Brown-throated Treecreeper, Certhia discolor
    Manipur Treecreeper, Certhia manipurensis

They form two evolutionary lineages: the former four species represent a Holarctic radiation, whereas the remaining five are distributed in the area south and east of the Himalaya. Hodgson's Treecreeper, recently realized to be a distinct species, is an offshoot of the Common Treecreeper's ancestor which has speciated south of the Himalaya. The former group has a more warbling song, always (except in C. familiaris from China) starting or ending with a shrill sreeh. The Himalayan group, in contrast, has a faster-paced trill without the sreeh sound.

Other birds with creeper or treecreeper in their name

There are two other small bird families with treecreeper or creeper in their name:

  • the Australian treecreepers (Climacteridae)
    the Philippine creepers (Rhabdornithidae)

References

  • Tietze, Dieter Thomas; Martens, Jochen & Sun, Yue-Hua (2006): Molecular phylogeny of treecreepers (Certhia) detects hidden diversity. Ibis 148(3): 477-488 DOI:doi:10.1111/j.1474-919X.2006.00547.x (HTML abstract)

External links


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This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.


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