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ForestCavity nestSmall · 32 g
ID tip
The sibilant sirystes is 18 to 18.5 cm (7.1 to 7.3 in) long and weighs about 26 to 28 g (0.92 to 0.99 oz). The sexes have the same plumage. Adults of the nominate subspecies have a black crown with a slight crest. The rest of their face is slate gray. Their nape and back are mottled gray with an olivaceous cast in most individuals and their rump has a gray wash, with white tips in the northern part of its range. Their wings are blackish with wide gray edges on the coverts and inner flight feathers. Their tail is long, blackish, and has a square tip. Voice: The sibilant sirystes' principle vocalization is a "oud ringing wheer-péw sometimes lengthened into excited-sounding series, wheer-pe-pe-pew-pew-péw". Both subspecies also give "a long, flat whistling alarm call and a fast trill of unknown context".
Text from Wikipedia, licensed CC BY-SA 4.0.
When to see the Sibilant Sirystes
One bar for each month, and every month is filled: this bird is recorded here in all twelve. The wide bar is October, the month with the most records.
Where to see the Sibilant Sirystes
The map shades 8 countries with regular records, and 1 more in a lighter tone where the bird turns up only as a stray. Everything unshaded has no records. Countries are listed below the map.
Recorded as a rare visitor in Peru.
About the Sibilant Sirystes
The sibilant sirystes is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, and Paraguay.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
Easily confused with
White-rumped SirystesSirystes albocinereusThe white-rumped sirystes is 18 to 19 cm (7.1 to 7.5 in) long and weighs 24 to 32 g (0.85 to 1.1 oz).
Todd's SirystesSirystes subcanescensTodd's sirystes is 18 to 18.5 cm (7.1 to 7.3 in) long and weighs 34 to 36.5 g (1.2 to 1.3 oz).
Choco SirystesSirystes albogriseusThe Choco sirystes is 17.5 to 19 cm (6.9 to 7.5 in) long and weighs 32 to 36 g (1.1 to 1.3 oz).
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