Yellow-billed Tit-Tyrant Anairetes flavirostris

John W. Fitzpatrick, Andrew J. Spencer, and Kyra Leonardi
Version: 2.0 — Published July 9, 2020

Diet and Foraging

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Main Foods Taken

Insects; grass seeds occasionally eaten.

Microhabitat for Foraging

Forages in shrubs and bushes; tends to forage in sparser shrubs.

Food Capture and Consumption

While foraging, this flycatcher is constantly moving, flicking its tail, pivoting, and holding its wings slightly drooped at the sides; often holds itself in a horizontal posture (10), sometimes with tail slightly cocked; occasionally flicks the wings upright over the back while foraging; at least sometimes movements may simply be balancing actions (10). It makes short, frequent flights to capture prey, often from branch to branch at the tops of shrubs. It primarily plucks insects from plants, using a perch-glean foraging strategy (17), but it also takes prey from foliage with hover-gleans, or, occasionally, from the air with a short sally (18, 10).


Major Food Items

Diet consists primarily of insects, occasionally also grass seeds (19). Specific prey items identified during the examination of stomach contents (n = 5) are Coleoptera (beetles, including cicindelids), Hemiptera (true bugs), Hymenoptera, and larval Lepidoptera (caterpillars, including larval noctuid moths) (20).

Quantitative Analysis

No information.

Food Selection and Storage

No information.

Nutrition and Energetics

No information.

Metabolism and Temperature Regulation

No information.

Drinking, Pellet-Casting, and Defecation

No information.

Recommended Citation

Fitzpatrick, J. W., A. J. Spencer, and K. Leonardi (2020). Yellow-billed Tit-Tyrant (Anairetes flavirostris), version 2.0. In Birds of the World (S. M. Billerman, B. K. Keeney, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.ybttyr1.02