Skip to main content

Photo: J G Keulemans / Public domain (Wikimedia Commons)

Endangered

Bokikokiko

Acrocephalus aequinoctialis

Bokikokiko (Acrocephalus aequinoctialis) — Songbirds & Perching Birds of Oceans & Seabirds.

The Bokikokiko (Acrocephalus aequinoctialis) is a member of the Acrocephalidae family found in Oceans & Seabirds. Adults weigh 25 g. The IUCN Red List lists it as Endangered.

EN Endangered

Facing a very high risk of extinction in the wild.

Where it fits

  1. Class Aves
  2. Order Passeriformes
  3. Family Acrocephalidae Reed Warblers & Allies
  4. Genus Acrocephalus
  5. Species aequinoctialis

Where it lives

Northwestern Line Is. (eastern Polynesia)

Quick facts

Weight
25 g
Habitat
Woodland

How to identify

Similar birds

Biology & behaviour

Diet

The Bokikokiko is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.

Behaviour

A bird of open scrub and shrubland, it uses a wide range of foraging strategies.

Migration

The Bokikokiko is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.

The Bokikokiko (Acrocephalus aequinoctialis) is a species of bird in the Acrocephalidae family, part of the order Passeriformes. It is found across Oceans & Seabirds. Its distribution covers PO nw Line Is. (e Polynesia).

It is a small bird. Adults weighs around 25 g, with a wing length of about 7.4 cm and a tail of around 6.4 cm.

It is classified as Endangered on the IUCN Red List and is a focus of conservation concern. Endangered species face a very high risk of extinction in the wild.

The species has a mapped global range of roughly 229 km² — a relatively restricted global range.

Songs & calls

Bokikokiko — Song

Recorded by Eric VanderWerf Licence: CC BY-NC-SA 3.0

Frequently asked questions

How big is the Bokikokiko?

The Bokikokiko is a small bird that weighs around 25 g.

Where does the Bokikokiko live?

The Bokikokiko is found across Oceans & Seabirds with a range covering PO nw Line Is. (e Polynesia), where it is typically found in wooded and forested habitats.

What family does the Bokikokiko belong to?

The Bokikokiko (Acrocephalus aequinoctialis) belongs to the Acrocephalidae family, in the order Passeriformes.

What does the Bokikokiko eat?

The Bokikokiko is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.

Does the Bokikokiko migrate?

The Bokikokiko is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.

Is the Bokikokiko endangered?

It is classified as Endangered on the IUCN Red List and is a focus of conservation concern Endangered species face a very high risk of extinction in the wild.

What sound does the Bokikokiko make?

1 real field recording of the Bokikokiko — including its song — can be played in the Songs & calls section on this page, credited to the recordist who captured it.

How large is the Bokikokiko's range?

The Bokikokiko has a mapped global range of about 229 km².

Conservation

Endangered

Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.

How to help birds

Explore more birds

More in Acrocephalidae

More in Songbirds

Guides for this bird

Best Bird Feeders for Garden Songbirds

How to choose a bird feeder for garden songbirds — the feeder styles compared, the seed they prefer, where to hang it, and how to keep birds safe. A decision framework grounded in real data, with no mystery picks.

4 min read

Back to top