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Black-Collared Barbet Video Stock Footage
The black-collared barbet usually is about 20–25 cm long, plump-looking and has a large head. It also has the heavy bill fringed with bristles that is characteristic of the genus Lybius. This barbet has a very obvious black collar and head which gives reference to its name. It also has a fire-engine red coloring around the eyes and beak. It has morphologically variable coloring because there is a replacement of a red head with a black head. It also has a more intense color and is larger than other barbets. This bird is also sexually monomorphic, which means that there is generally no phenotypic difference between the males and females of this species. The morphology, size and behavior are basically the same. The "too-puddly" song is actually an antiphonal duet. That means that one bird out of the pair sings the first note, then the other bird in the pair sings the second note. To bystanders, this does not sound like it comes from two different birds. It has distinct sexual duet roles after a greeting ceremony and the partner's notes do differ. The birds do not sing simultaneously, but are synchronized in their duets. The time between when one bird stops singing to when the other bird in the pair picks the song up is called the auditory response time for the duet. The approximate auditory response time for this bird is 178 ms.
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