- Tiaris olivaceus
Length: 10.0-10.7 cm; weight: 9.5-10.0 g
- Conical bill, sharper than that of the related seedeaters
- Olive-green back
- Black face and breast
- Bright yellow throat, supercilium, and lower eyelid spot
- Greyish-olive underparts
- Dull olive-green upperparts
- Paler grey underparts
- Dark breast smudges may be visible
- The face pattern is much weaker and duller, and may be almost invisible
Young birds: duller and greyer than the female
Young males: begin to acquire full adult plumage in their first year.
Central and South America and the Caribbean
Central America: Mexico, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, uas
Caribbean (West Indies): Greater Antilles, Cuba, Cayman Islands, Jamaica, Hispaniola, Haiti, Dominican Republic and Puerto Rico
South America: Colombia, Venezuela and Ecuador
There are 5 subspecies:
- Cozumel Island and Holbox Island (off Yucatan Peninsula)
Photo by Stanley Jones
Road to Rincon de la Vieja towards Dos Rios, Guanacaste Province, Costa Rica
, November 2011
The scientific name has been spelled olivacea in the past.
Rain forest, open grassy areas, woodlands and grassland. Observed at heights around 275 meters.
They feed mainly on seeds (mostly grass), berries and some insects.
The female builds the globular nest, which is formed from stems of grass and weeds. They sometimes nest in loose colonies. The clutch consists of two or three brown-speckled white eggs, which are incubated by the female alone for 12-14 days to hatching.
Call: a weak buzzing trilled ttttt-tee
The male vibrates his wings as he sings to the female from only a few centimetres away.
- Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
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