| Myiobius also has the long rictal bristles and erythrurus has the rufous tail found in Onychorhynchus and Cnipodectes. |
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| It also has a tiny beak with a large gape, surrounded by stiff feathers called rictal bristles, which help the bird catch its aerial prey. |
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| The bare interramal skin is dusky, and visible rictal bristles are absent. |
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| Of those, two were skeletal, seven were based on plumage or soft-part colors, and five dealt with tarsal scutellations, rictal bristles, and egg color. |
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