About Trochalopteron variegatum (Vigors, 1831)
Size Measurements
The variegated laughingthrush (Trochalopteron variegatum) is a medium-sized laughingthrush, typically measuring 24 to 26 centimeters in length and weighing 57 to 79 grams.
Shared Subspecies Traits
Both recognized subspecies share a black stripe running down the center of the throat, and have an overall coloration of olive and buffy tones. Their large tail features a gray subterminal band and a white tip.
Subspecies Tail Difference
The color of the outer tail feathers (rectrices) differs between the two subspecies.
Nominate Subspecies Plumage
The nominate subspecies, T. v. variegatum, has distinctive yellow primary and secondary flight feathers, cinnamon-tipped greater coverts, black primary coverts, and yellow outer rectrices. The area surrounding the beak is black, extending up to the eye, and this black area is interrupted by a white eye-ring.
Nominate Subspecies Facial Markings
The buff-colored area at the base of the lower mandible fades to whitish. T. v. variegatum also has a buff forehead and a brownish gray crown.
T. v. simile Subspecies Differences
T. v. simile is similar in appearance to T. v. variegatum, with the following differences: it has gray primary and secondary feathers, gray outer rectrices, a whiter area around the lower mandible, and more dull buff coloration on the forehead.