Pallas´s Leaf Warbler

Phylloscopus proregulus(Pallas, 1811)

Order: Passeriformes
Family: Phylloscopidae
Presence in the Strait: Vagrant
In Spanish: Mosquitero de Pallas

Photograph: Christoph Moning, CC BY, vía iNaturalist

Length: 10 cm
Weight: 5 g

Presence in the Strait

Accidental. One bird ringed at Gibraltar on 26.10.96.

Identification

Like a Yellowbrowed Warbler but with dark crown-sides and a yellow central crown-stripe. Long black eyestripe and yellow rump. Breeds in Asia.

Bioestrecho editorial text. Last revised: 8 September 2026.

Photographs from iNaturalist observations with the licence checked file by file. Those marked “Strait” were taken within the area; place and date are those of each observation.

Calendar in the Strait

No observations with a compatible licence in the area, or taxon without a match in GBIF.

Same genus in the Strait

Common Chiffchaff11–11 cm · Seasonal
Western Bonelli´s Warbler11–11 cm · Seasonal
Willow Warbler11.5–11.5 cm · Migrant
Wood Warbler12.5–12.5 cm · Migrant
Yellow-browed Warbler10–10 cm · Vagrant

Species of the same genus that also occur here, ordered by how close they are in size. Being relatives does not mean they are confused in the field, but that is where the doubts start: compare size and season.

Classification

Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Phylloscopidae
GBIF taxon key: 2493090

Sources

Distribution and calendar: GBIF, live query
Photograph: Christoph Moning, CC BY, vía iNaturalist
Taxonomy: GBIF backbone, pending WoRMS for marine taxa
Editorial text: written by Bioestrecho
Last revised: 8 September 2026

Pallas´s Leaf Warbler

Presence in the Strait

Identification

Gallery