It has a yellow throat surrounded by a black band when adult and the yellow on the throat is duller in juveniles which also do not have the surrounding black band and have some indistinct streaks on the breast, but this is much less in extend than in related species.

[2] Fülleborn's longclaw is found in wet gassy areas, frequently in the vicinity of water and normally above 1,000 metres (3,300 ft) in altitude.

[3] It is largely insectivorous and feeds on mainly on grasshoppers and beetles as well as termites and spiders.

[2] Fülleborn's longclaw has a wide distribution and large population so Birdlife International and the IUCN classify it as Least Concern.

[4] The specific name and the common name of this bird commemorate the German military physician and parasitologist Friedrich Fülleborn (1866-1933).