Sociable Weaver
Field guide
bird · NA

Sociable Weaver

Philetairus socius

Overview

Builders of the largest bird nests on Earth: apartment blocks in acacia.

A sparrow-sized bird that builds the biggest nest of any bird on Earth. Sociable weavers raise haystack cities in camelthorn trees and on telephone poles, structures of grass that can house a hundred pairs, weigh tons, and stay in continuous use for generations; some colonies are believed to be over a century old. Inside, the chambers are engineered climate: cool against the Kalahari afternoon, warm through freezing desert nights. The colony is also a housing market with tenants, since pygmy falcons live in the nest permanently, part lodger, part security. The birds themselves, small, scaled, endlessly chattering, are easy to overlook under the architecture, which is precisely the wrong way around.

Behaviour

Everything is communal: building, maintenance, mobbing snakes, even feeding chicks that are not your own. Cape cobras raiding chambers are the colony's recurring nightmare.

Diet

Mostly insects, especially harvester termites, plus seeds; like many desert specialists it can live without drinking at all.

Photography

Shoot the nest as a landscape first, low sun raking the thatch, then wait beneath the entrances with a long lens for commuting birds. Late afternoon has the busiest traffic.

Ethics

Never touch or shake a nest structure, and keep drones away; a panic flush can collapse chambers and cook eggs in the sun.

Where you'll find them

Generalised encounter areas, not exact locations. Each shape is a grid cell coloured by how likely the species is there.

  • South Africa
    10 km zone · high confidence · 21266 records · updated 41 days ago
    Very likely
  • Namibia
    10 km zone · high confidence · 10179 records · updated 41 days ago
    Very likely
  • Botswana
    10 km zone · high confidence · 658 records · updated 41 days ago
    Very likely
Photographs
6 of Sociable Weaver
Similar species