The Caspian tit (Poecile hyrcanus ) is a passerine bird in the tit family. It breeds in the deciduous mountain forests of northern Iran, just extending into Azerbaijan.
The 12.5 cm (4.9 in) long Caspian tit has a dark brown cap and bib, rich brown upperparts and underparts which are pinkish-buff when fresh, but become paler and greyer as the feathers age. The sexes are similar, but juveniles are somewhat duller. The most common call of this generally quiet bird is a thin zsit, but a nasal double note, chev chev, is also given.
Both sexes excavate the nesting hole in a live or a rotten tree. Most nests examined are cups of felted material, such as fur, hair and wood chips, but feathers are sometimes used. The number of eggs varies from five to seven, white with faint reddish spots or blotches. It feeds on caterpillars, insects and seeds, much like other tits.
Molecular phylogenetic studies have shown that the Caspian tit is sister to the willow tit (Poecile montanus ).
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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