Snowy-throated Kingbird
Tyrannus niveigularis
The snowy-throated kingbird is 18.5 to 19 cm (7.3 to 7.5 in) long; one male weighed 34.4 g (1.2 oz). The sexes have the same plumage. Adults have a gray crown and nape with a partially hidden yellow patch in the center of the crown. They have a thin black band on the forecrown and lores that widens into a mask to the ear coverts. Their upperparts are mostly pale gray with more olive on the lower back and rump. Their wings are dusky with whitish edges on the coverts and secondaries. Their tail is blackish with a square tip. Voice: The snowy-throated kingbird's dawn song is "a fast and jumbled ki-ki-ki-kr-reé-it!" and its call "a sharp kip! that can be extended into a kip! kr-r-r-ee-ee-ee".
ID text from Wikipedia, CC BY-SA 4.0
Thick-billed Kingbird
Tyrannus crassirostris
The thick-billed kingbird is about 25 cm (9.8 in) long and weighs about 52 to 59 g (1.8 to 2.1 oz). Females are slightly smaller than males and the sexes have essentially the same plumage. Adults of the nominate subspecies have a dark grayish brown forehead, crown, lores, and ear coverts; their cheeks are white. The crown feathers form a slight crest. Both sexes have a partially hidden lemon or canary yellow patch in the center of the crown though females' are narrower. Both sexes have a grayish brown nape that is paler than the rest of the head. Voice: The thick-billed kingbird has a variety of calls that apparently have different functions. The most frequent is a "wo-parted phrase, T t t t t, t T t tt rwheeuh t tt". Others include chatters, a "loud, rasping tch-uhrreeE, a "harsh ruhr", and a "clear tch-rroy".
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Snowy-throated Kingbird and Thick-billed Kingbird.