Scientific Name: Tiaris olivaceus
Population Estimate: 500K to 5M
Range / Habitat: Subtropical / tropical lowland shrub and grass land in Mexico, Central America, northwestern South America and several Caribbean islands.
Field Notes: Small olive green passerine with thick, short bill. Males and females both with yellow throat and superciliary, though much more pronounced in males.
Personal Notes: Seen at Monteverde Lodge, Costa Rica