Booted Warbler (Iduna caligata)
Illustration redrawn by AI from a real photograph

Booted Warbler

Iduna caligata (Lichtenstein, MHC, 1823)

≈11 cmLength8.9 gWeight

It is a plain small warbler with gray-brown upperparts, whitish underparts and a single pale supercilium.

Busiest months: January–February · Most records: India, Kazakhstan, United Kingdom

Looks like Sykes's Warbler

Least Concern

How to identify

Field marks

  1. Pale rufous upperparts and white underparts
  2. A single clear, pale supercilium
  3. Pale edges to the outer tail feathers

Similar species

Where and when it's recorded

Booted Warbler has been recorded at 259 of the 8,171 birding hotspots we track, in 41 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. GKVK CampusIndia1,270 records
  2. Saul Kere / Sowl KereIndia1,268 records
  3. Hoskote / Hosakote KereIndia1,096 records
More places
  1. Hessaraghatta KereIndia910 records
  2. Doddanekundi KereIndia732 records
  3. Krishnampathi Lake, SeeranaickenpalayamIndia692 records
  4. Mysore City Bird Atlas 30A, Lingambudhi kereIndia576 records
  5. Muthanallur KereIndia474 records
  6. Varthur KereIndia455 records
  7. Manjeera Wildlife SanctuaryIndia447 records

Countries and regions with the most records

IndiaKazakhstanUnited KingdomChinaRussiaBangladeshSingaporeNepal

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 booted warbler (Iduna caligata) is a species of passerine bird belonging to the family Acrocephalidae, the reed and tree warblers. This species breeds in Eastern Europe and western Asia, wintering in south Asia. it is a regular vagrant to Western Europe.

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

Questions

How big is the Booted Warbler?

The Booted Warbler is about ≈11 cm long and weighs around 8.9 g.

Where does the Booted Warbler live?

Its breeding range: Palearctic: western, central Russia south through Kazakhstan to Iran, Afghanistan and western China. It is most often recorded in India, Kazakhstan and United Kingdom.

When is the best time to see the Booted Warbler?

At the hotspots we track, it is recorded most in January and February (Northern Hemisphere).

Is the Booted Warbler endangered?

The IUCN Red List classifies the Booted Warbler as Least Concern.

What does the Booted Warbler eat?

Main food: Insects & other invertebrates.

What family is the Booted Warbler in?

It belongs to the family Reed Warblers & Allies (Acrocephalidae), order Passerines (Passeriformes).

At a glance

Length
≈11 cm
Weight
8.9 g
Habitat
Shrubland
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Migratory
Conservation
Least Concern
More measurements
Wing
59 mm
Tail
46 mm
Bill
12 mm
Tarsus
19 mm

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

Range

Palearctic: western, central Russia south through Kazakhstan to Iran, Afghanistan and western China

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Family
Reed Warblers & Allies Acrocephalidae
Genus
Iduna

Other birds in the genus Iduna

Booted Warbler

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

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