Tuesday, 30 December 2025

Chestnut-capped Warbler (Basileuterus delattrii)

OTHER NAMES: N/A
Latin Etymology: Basileuterus ("kingly") delattrii (for naturalist Adolphe Delattre)

Chestnut-capped Warbler (Basileuterus delattrii) at Location, Costa Rica - November 2025


Featured Subspecies: Basileuterus delattrii mesochrysus
Weight: ?  /  Length: 12cm  /  Wingspan: ?
NO UK STATUS IUCN Red List: Not Yet Evaluated 

At time of writing, a very recently recognised species - only split in 2021 from the similar rufous-capped warbler whose range is largely within Mexico. The Chestnut-capped has a more southerly range and is instead distributed from Honduras to Venezuela.


Related Species: 
Order: Passeriformes
Family: Parulidae
Genus: Basileuterus
SUBSPECIES: B. r. delattrim B. r. mesochrysus, B. r. actuosus
 
- Sighting Locations -

COSTA RICA - Spanish - Reinita Coronicastaña ("Red-crowned Warbler")

Found in Western Costa Rica
- COSTA RICA 2025 TRIP: Seen at Tarcoles 

Further Notes: BirdForum Opus, IUCN Red List, RSPB, Wikipedia, Xeno-canto

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