Those species with wide distributions tend to be more generalist in habitat use, utilizing a wide variety of different wood-

A mountain chickadee (Poecile gambeli) at its nest. (Photo by B. Ran-dall/VIREO. Reproduced by permission.)

land types from conifers to evergreen broad-leaved woodland to deciduous broad-leaved woodland. Open woodlands, parks, hedgerows, gardens, vineyards, orchards, and scrub are also widely used. Some species are conifer-forest specialists, such as the boreal tit and Siberian tit, while others are deciduous-woodland species, like many of the African tits. Some occur in arid forests, such as the somber tit, which is found in dry, open woodlands in southern Europe. Tits are present from lowland woods at sea level up to high-altitude forests and subalpine scrub at 14,764 ft (4,500 m) in mountainous areas.

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