Photo: Nick Athanas / CC BY-SA 2.0 (Wikimedia Commons)
Castelnau’s Antshrike
Thamnophilus cryptoleucus
Castelnau's Antshrike (Thamnophilus cryptoleucus) — Songbirds & Perching Birds of South America.
Found across 8 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Castelnau’s Antshrike (Thamnophilus cryptoleucus) is a member of the Thamnophilidae family found in South America. Adults weigh 27.5 g. The IUCN Red List lists it as Least Concern.
Conservation status
IUCN Red List (opens in a new tab)Widespread and abundant — not currently at risk.
Where it fits
- Class Aves
- Order Passeriformes
- Family Thamnophilidae Antbirds
- Genus Thamnophilus
- Species cryptoleucus
Quick facts
- Weight
- 27.5 g
- Diet
- Invertebrate-eaters
- Family
- Thamnophilidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Castelnau’s Antshrike is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Behaviour
A bird of dense forest, it spends much of its time perched in trees and shrubs.
Migration
The Castelnau’s Antshrike is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Castelnau’s Antshrike (Thamnophilus cryptoleucus) is a member of the Thamnophilidae family, within the order Passeriformes. It occurs naturally across South America. Its distribution covers SA w Amazonia.
It is a small bird. Adults weighs around 27.5 g, with a wing length of about 7.7 cm and a tail of around 6.1 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
Its mapped global range covers an estimated 203,000 km².
Songs & calls
Frequently asked questions
How big is the Castelnau’s Antshrike?
The Castelnau’s Antshrike is a small bird that weighs around 27.5 g.
Where does the Castelnau’s Antshrike live?
The Castelnau’s Antshrike is found across South America with a range covering SA w Amazonia, where it is typically found in wooded and forested habitats.
What family does the Castelnau’s Antshrike belong to?
The Castelnau’s Antshrike (Thamnophilus cryptoleucus) belongs to the Thamnophilidae family, in the order Passeriformes.
What does the Castelnau’s Antshrike eat?
The Castelnau’s Antshrike is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Does the Castelnau’s Antshrike migrate?
The Castelnau’s Antshrike is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Castelnau’s Antshrike endangered?
The IUCN Red List currently assesses it as Least Concern That category covers species that remain widespread and reasonably abundant in the wild.
What sound does the Castelnau’s Antshrike make?
1 real field recording of the Castelnau’s Antshrike — 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 Castelnau’s Antshrike's range?
The Castelnau’s Antshrike has a mapped global range of about 203,000 km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
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Guides for this bird
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Meet the Thamnophilidae
A field guide to the Thamnophilidae family — 240 species in the Birbs encyclopedia, with the best-known members to start with.