Canada Warbler

Cardellina canadensis

Introduction

Canada Warbler is a very rare vagrant from North America. The first UK record was discovered in Wales in October 2023, amazingly by the same person who found a Magnolia Warbler a handful of days earlier on the same stretch of coast. Autumn 2023 saw unprecedented numbers of American vagrant passerines discovered in Britain and Ireland, carried by fast-moving Atlantic weather systems. Canada Warbler breed in Canada and the USA and is a long-distance migrant, wintering in central American and northern South America.

Key Stats

Status

Very rare

Weight

10.5g

Seasonality

Population and distribution stats for:

No data

No current data

No current data

No data

No current data

No current data

Status and Trends

Population size, trends and patterns of distribution based on BTO and partnership surveys and atlasses with data collected by BTO volunteers.

Conservation Status

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This species can be found on the following statutory and conservation listings and schedules.

IUCN Red List of Threatened Species (global)

Least Concern

Schedule 1 Licence required (to disturb)*

Birds Directive Annex 1

* A guide only. Check details with the original legislation, especially those marked with an asterisk. See About Birdfacts for more information.

Population Size

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BOU Category

Source

First Record*

Pembrokeshire, 2023

* First documented occurrence. Most species undoubtedly occurred before this. See About Birdfacts for more information.

Population Change

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Population trends of this scarce species are not routinely monitored.

Movement

Information about Canada Warbler movements and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.

European movements

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EuroBirdPortal uses birdwatcher's records, such as those logged in BirdTrack to map the flows of birds as they arrive and depart Europe. See maps for this species here.

Biology

Lifecycle and body size information for Canada Warbler, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.

Survival and Longevity

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Survival is shown as the proportion of birds surviving from one year to the next and is derived from bird ringing data. It can also be used to estimate how long birds typically live.

Classification, names and codes

Taxonomy, names and species codes for Canada Warbler

Classification and Codes

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Order: Passeriformes
Family: Parulidae
Scientific name: Cardellina canadensis
Authority: Linnaeus, 1776

Euring code number: 17730

Alternate species names

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Catalan: bosquerola del Canadà
Czech: les?á?ek kanadský
Danish: Canada-sanger
Dutch: Canadese Zanger
Estonian: viirpugu-säälik
Finnish: viirurintakerttuli
French: Paruline du Canada

German: Kanadawaldsänger
Hungarian: örvös lombjáró
Icelandic: Haustskríkja
Italian: Parula canadese
Latvian: Kan?das ?au?is
Lithuanian: kanadin? vilsonija
Norwegian: Kanadaparula

Polish: wilsonka kanadyjska
Portuguese: mariquita-do-canadá
Slovak: horárik kanadský
Slovenian: apalaški frfotav?ek
Spanish: Reinita canadiense
Swedish: kanadaskogssångare

More Evidence

More evidence from Conservation Evidence.com

Partners

Birdfacts is based on data collected by volunteers participating in surveys that are organised and funded by BTO, RSPB, Esmée Fairbairn Foundation, JNCC and other partners.

BTO

Esmée Fairbairn Foundation

JNCC

RSPB

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