The Olive-naped Weaver (Ploceus brachypterus) is a resident breeding bird species in much of tropical Africa from Senegal and northern Angola to South Sudan and Tanzania.

Description
The Olive-naped Weaver is a stocky 15 to 17 cm bird with a strong conical bill. The adult male of the northern race has olive upper-parts and wings, and yellow underparts and head. It has a black eye-mask and bib, and a pale yellow iris. The non-breeding male has a yellow head with an olive crown, grey upper-parts and whitish. The wings remain yellow and black.

The adult female also has olive upper-parts and wings, and yellow underparts and head. It has a black eyemask but no bib.

The Olive-naped Weaver feeds on insects and vegetable matter. The calls of this bird include a wheezing dew-dew-twee .

Distribution and habitat
This weaver occurs in forests, especially in wet habitats.

Behaviour and ecology
It builds a large coarsely woven nest made of grass and creepers with a 15 cm downward facing entrance tunnel hanging from the globular egg chamber. The nest is suspended from a branch in a tree and 2 to 3 eggs are laid. It nests in pairs but forms small flocks when not breeding.

Danish: Swainsons Væver
German: Olivnackenweber
English: Black-necked Weaver (Olive-backed), Black-necked Weaver [brachypterus or po], Olive-naped Weaver
English (IOC): Black-necked Weaver (Olive-backed)
Spanish: Tejedor nuquiverde
Spanish (Spain): Tejedor Cuellinegro (brachypterus)
Spanish (HBW): Black-necked Weaver (Olive-backed)
French: Tisserin à cou noir (à dos olive), Tisserin à cou noir (brachypterus), Tisserin à cou noir [brachypterus or po], Tisserin à cou noir [brachypterus ou po], Tisserin pirate
Icelandic: Flóðvefari (brachypterus)
Japanese: nodogurohataori (brachypterus)
Japanese: ノドグロハタオリ (brachypterus)
Scientific: Ploceus brachypterus, Ploceus nigricollis [brachypterus or po], Ploceus nigricollis brachypterus
Dutch: Zwartnekwever (brachypterus)
Norwegian: svartnakkevever (brachypterus)
Polish: wiklacz krótkoskrzydly
Slovak: pletiarka krátkokrídla
Swedish: svartnackad vävare (brachypterus)


Olive-naped Weaver,Olivnackenweber,Tisserin à cou noir,ノドグロハタオリ,Tejedor nuquiverde,Swainsons Væver,wiklacz krótkoskrzydly,pletiarka krátkokrídla,nodogurohataori (brachypterus),طائر الحباك الزيتوني ذو نقرة بيضاوية,Ploceus brachypterus