Undulated Antshrike (Frederickena unduliger)
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Undulated Antshrike

Frederickena unduliger (Pelzeln, 1868)

22–25 cmLength83 gWeight

The undulated antshrike (Frederickena unduliger) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds".

Busiest months: May · Most records: Peru, Brazil

Least Concern

Where and when it's recorded

Busiest months: May · Most records: Peru, Brazil

Undulated Antshrike has been recorded at 15 of the 8,276 birding hotspots we track, in 2 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

  1. Estación Biológica de Cocha CashuPeru12 records
  2. Secret Forest LodgePeru11 records
  3. Reserva Natural PalmaríBrazil11 records
More places
  1. Finca Las PiedrasPeru9 records
  2. ExplorNapo Lodge – Amazon Canopy WalkwayPeru7 records
  3. Manu Birding LodgePeru5 records
  4. Pantiacolla LodgePeru5 records
  5. Amazonía LodgePeru5 records
  6. Refugio Amazonas LodgePeru4 records
  7. Amazon Conservatory of Tropical Studies Field StationPeru4 records

Countries and regions with the most records

PeruBrazil

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The undulated antshrike (Frederickena unduliger) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Bolivia, Brazil, and Peru.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Undulated Antshrike?

The Undulated Antshrike is about 22–25 cm long and weighs around 83 g.

Where does the Undulated Antshrike live?

Its breeding range: South America: western Amazonia. It is most often recorded in Peru and Brazil.

When is the best time to see the Undulated Antshrike?

At the hotspots we track, it is recorded most in May (Southern Hemisphere).

Is the Undulated Antshrike endangered?

The IUCN Red List classifies the Undulated Antshrike as Least Concern.

What does the Undulated Antshrike eat?

Main food: Insects & other invertebrates.

What family is the Undulated Antshrike in?

It belongs to the family Antbirds (Thamnophilidae), order Passerines (Passeriformes).

At a glance

Length
22–25 cm
Weight
83 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Varied
Migration
Resident (barely migrates)
Conservation
Least Concern
More measurements
Wing
101 mm
Tail
91 mm
Bill
28 mm
Tarsus
35 mm

Averages from the AVONET dataset; length from field guides where available.

Range

South America: western Amazonia

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Family
Antbirds Thamnophilidae
Genus
Frederickena

Other birds in the genus Frederickena

Black-throated AntshrikeBlack-throated AntshrikeFrederickena viridisFulvous AntshrikeFulvous AntshrikeFrederickena fulvaRufous-rumped AntwrenRufous-rumped AntwrenEuchrepomis callinotaChestnut-shouldered AntwrenChestnut-shouldered AntwrenEuchrepomis humeralisYellow-rumped AntwrenYellow-rumped AntwrenEuchrepomis sharpeiAsh-winged AntwrenAsh-winged AntwrenEuchrepomis spodioptilaWing-banded AntbirdWing-banded AntbirdMyrmornis torquataSpot-winged AntshrikeSpot-winged AntshrikePygiptila stellarisRusset AntshrikeRusset AntshrikeThamnistes anabatinusRufescent AntshrikeRufescent AntshrikeThamnistes rufescens
Undulated Antshrike

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Luciano Bernardes. ↗

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