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Birds of Zihuatanejo

CLASS AVES

-Animals (Kingdom Animalia)

-Chordates (Phylum Chordata)

-Vertebrates (Subphylum Vertebrata)

-Birds (Class Aves)

-Perching Birds (Order Passeriformes)

-Tityras and Allies (Family Tityridae)

-Beardless-Tyrannulets (Genus Camptostoma)

-Northern Beardless-Tyrannulet (Camptostoma imberbe)


The Northern Beardless-Tyrannulet is a tiny member of the flycatcher family found in Mexico and Central America. This small plain grey-coloured bird is most often seen with the crest on its head raised. Plain grey overall with inconspicuous pale wingbars and pale yellowish belly. Peaked bushy crown. This species is found in light forests, cultivation and gardens with trees. Diet consists mostly of insects including scale insects, treehoppers, beetle larvae, moth caterpillars, fly pupae, and others. Also reported to eat some seeds and berries.

N. Beardless-Tyrannulet

Camptostoma imberbe

Diet

  • Primarily small insects, including flies, beetles, ants, caterpillars, leafhoppers, and spiders.

  • Occasionally eats small berries and other fruits.

  • Forages actively among foliage, gleaning insects from leaves and twigs or making short aerial sallies to capture flying prey.

Range

  • Found from southern Texas through Mexico and Central America to northwestern Costa Rica.

  • Widespread throughout much of Mexico, including the Zihuatanejo region.

  • Inhabits tropical dry forests, thorn scrub, woodland edges, riparian forests, open woodlands, parks, gardens, and agricultural areas with scattered trees.

  • A year-round resident throughout its range.

Male / Female

  • Male: Olive-grey upperparts, pale greyish-white underparts, two pale wing bars, and a short crest that may reveal a concealed yellow-orange crown patch when raised.

  • Female: Nearly identical to the male in plumage, size, and coloration.

  • Sexes cannot be reliably distinguished in the field except by behaviour during the breeding season.

Size

  • Length: 9–11 cm (3.5–4.3 in)

  • Wingspan: 14–16 cm (5.5–6.3 in)

  • Weight: 6–9 g

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