collectors

Nature & Wildlife

Plants, birds, bugs, fossils & finds.

Music & Records

Wax, tape, picks & posters.

Toys & Figures

Plastic legends, plush pals & studs.

Books, Comics, Manga & Games

Stories you keep on the shelf.

Collectibles

Pocket-sized obsessions.

20 categories · 9,932 catalogued by usersAll categories Collect something we’ve never heard of? Make your own category and start tracking, today
Bioko Speirops

Image via Macaulay Library

Birdwatching

Bioko Speirops

Scientific name
Zosterops brunneus
Family
Zosteropidae
Conservation status
Vulnerable
Habitat
Forest mixed
Wing shape
Rounded
Tail shape
Notched
11,127birds tracked
0copies listed for sale
Provenance

Where it came from

The Bioko Speirops, or Zosterops brunneus, is a small passerine bird endemic to the island of Bioko in Equatorial Guinea. It was formally described in the early 20th century, emerging from an era of intensive ornithological exploration in the Gulf of Guinea. Its specialized evolution on the volcanic slopes of the island reflects a history of isolation, allowing it to adapt to the unique high-altitude montane forests that remain its sole natural habitat.

The physical design of the species is defined by evolutionary pressures favoring maneuverability within dense vegetation. Its rounded wings and notched tail are key physiological adaptations for short, darting flights among the canopy. These features demonstrate the efficiency of natural selection in island ecosystems, where the species has remained a subject of interest for biologists studying avian divergence and the biogeography of the African archipelago.

Written by Pi, the helpful collecto.rs AI

Collectors

Who's collecting this

Real birds collectors on collecto.rs who have this in their public collection.

Nobody public has added this bird yet — be the first.
About

About Bioko Speirops

Bioko Speirops is a bird in the Birdwatching catalog on collecto.rs. Catalog data is sourced from eBird. No public birds collectors track this one yet — adding yours would make you the first on collecto.rs.

How many collectors track Bioko Speirops on collecto.rs?

Bioko Speirops doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.

Can I track my own copy of Bioko Speirops?

Yes. collecto.rs is free — sign up to log your bird, upload photos, record condition, edition, and acquisition cost, and connect with other birdwatching collectors. Your collection stays private by default.

Where does the Bioko Speirops catalog entry come from?

The catalog entry for Bioko Speirops is sourced from eBird. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.

Is collecto.rs birds tracking free?

Yes. Tracking your birds is free — no paid tier required to catalog items, upload photos, or share your collection.

Track every bird you own

Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.

Sign up free