Rotkehl-Schleppentyrann vs Olivrücken-Kappentyrann

The Strange-tailed Tyrant is best identified by the male's unique tail, with elongated outer feathers forming streamers, while the Sibilant Sirystes lacks such a tail feature. The Strange-tailed Tyrant has a striking black and white plumage with pinkish or orangey skin on the throat in breeding males, contrasting with the Sibilant Sirystes' gray and black plumage with white wing edging.

1. Look for the male Strange-tailed Tyrant's elongated tail streamers, a key distinguishing feature. 2. Note the plumage: black and white with pinkish or orangey throat skin in breeding males for the Strange-tailed Tyrant, versus gray and black with white wing edging for the Sibilant Sirystes. 3. Consider habitat: tall grasslands for the Strange-tailed Tyrant, broader range in central and eastern South America for the Sibilant Sirystes.

The Strange-tailed Tyrant features a black and white plumage with breeding males showing pinkish or orangey throat skin. In contrast, the Sibilant Sirystes is gray above with a black crown, wings, and tail, and white edging on the wing coverts and secondaries.

The Strange-tailed Tyrant is polygynous, with males maintaining territories for multiple females. No specific behavior is noted for the Sibilant Sirystes.

The Strange-tailed Tyrant is found in tall grasslands of southern Paraguay and northeastern Argentina. The Sibilant Sirystes occurs in central and eastern South America, including northeastern Argentina and southern Brazil.