Hooded Crow

Corvus cornix (Linnaeus, 1758) HC HOOCR 15673
Family: Passeriformes > Corvidae

Hooded Crow, Edmund Fellowes

The two tone corvid, the Hooded Crow or 'hoodie' was classified by the British Ornithologists' Union as a distinct species in 2002.

The Hooded Crow is found in the north and north-west of the UK, where it is far more numerous than Carrion Crow. Where ranges of the two overlap, the crows can hybridise and produce offspring resembling a dark, less contrasting Hooded Crow.

This resident species breeds relatively early, from March laying up to six eggs are laid in large twiggy nests lined with wool and/or hair, typically located in trees, crags or pylons. The population trend for the UK is stable, although this is underpinned by recent declines in the Scotland and increases in Northern Ireland.

Exploring the trends for Hooded Crow

Our Trends Explorer will also give you the latest insight into how the UK's Hooded Crow population is changing.

trends explorer

Identification

Hooded Crow identification is usually straightforward.

SONGS AND CALLS

Listen to example recordings of the main vocalisations of Hooded Crow, provided by xeno-canto contributors.

Young call

Flight call

Call

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Status and Trends

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

CONSERVATION STATUS

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

POPULATION SIZE

POPULATION CHANGE

The BOU Records Committee took the decision in 2002 to treat Hooded Crow and Carrion Crow as separate species (Parkin et al. 2003). This split is not recognised in BirdLife International's conservation listings. In the UK, Hooded Crows occur in Northern Ireland, the Isle of Man, and in Scotland, mainly west and north of the Great Glen. Retrospective analysis of BBS trends is simple because observers have always recorded Hooded Crows (coded HC) separately from Carrion Crows and from intermediates (coded HB). Intermediate forms between Carrion and Hooded, which predominate in a band across western Scotland and occur less frequently elsewhere in the UK, are not included in either species' BBS index. BBS data suggest that moderate decrease in Hooded Crows has occurred in Scotland, but that this has been countered by a steep increase in Northern Ireland. Hooded Crows had increased markedly in Ireland since 1924 (Hutchinson 1989). The 2007-11 Atlas records little change in the distribution of Hooded Crows but show further incursion of Carrion Crows into northwest Scotland and eastern Ireland (Balmer et al. 2013). There has been an increase among Hooded and Carrion Crows, taken together, across Europe since 1980 (PECBMS: PECBMS 2020a>).

Exploring the trends for Hooded Crow

Our Trends Explorer will also give you the latest insight into how the UK's Hooded Crow population is changing.

trends explorer

DISTRIBUTION

Hooded Crows replaces Carrion Crows in Ireland and most of north and west Scotland. In the eastern part of their Scottish range, Hooded Crows overlap with the Carrion Crows and hybrids are common in a narrow hybrid zone which had been shifting north and west as Carrion Crows gained ground in the lowlands.

Occupied 10-km squares in UK

European Distribution Map

European Breeding Bird Atlas 2

Breeding Season Habitats

Relative frequency by habitat

Relative occurrence in different habitat types during the breeding season.

>Bar of similar size indicate the species is equally likely to be recorded in those habitats

DISTRIBUTION CHANGE

Change in occupied 10-km squares in the UK

SEASONALITY

Hooded Crow is recorded throughout the year.

Weekly occurence of Hooded Crow from BirdTrack
Weekly occurrence patterns (shaded cells) and reporting rates (vertical bars) based on BirdTrack data. Reporting rates give the likelihood of encountering the species each week.

Movement

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

RINGING RECOVERIES

View a summary of recoveries in the Online Ringing Report.

Foreign locations of birds ringed or recovered in Britain & Ireland

Foreign locations of Hooded Crow ringed or recovered in Britain & Ireland
Encountered in: Winter (Nov-Feb); Spring (Mar-Apr); Summer (May-Jul); Autumn (Aug-Oct)

Biology

Lifecycle and body size information about Hooded Crow, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.

PRODUCTIVITY & NESTING

Exploring the trends for Hooded Crow

Our Trends Explorer will also give you the latest insight into how the UK's Hooded Crow population is changing.

trends explorer

SURVIVAL & LONGEVITY

View number ringed each year in the Online Ringing Report

Exploring the trends for Hooded Crow

Our Trends Explorer will also give you the latest insight into how the UK's Hooded Crow population is changing.

trends explorer

BIOMETRICS

Feather measurements and photos on featherbase

CODES & CLASSIFICATION

For information in another language (where available) click on a linked name

Gaelic: Starrag
Welsh: Brân Lwyd
Catalan: cornella emmantellada
Czech: vrána šedá
Danish: Gråkrage
Dutch: Bonte Kraai
Estonian: hallvares
French: Corneille mantelée
German: Nebelkrähe
Hungarian: dolmányos varjú
Icelandic: Grákráka
Irish: Caróg Liath/Caróg Dhubh
Italian: Cornacchia grigia
Latvian: peleka varna
Lithuanian: pilkoji varna
Norwegian: Kråke
Polish: wrona (zwyczajna)
Portuguese: gralha-cinzenta
Slovak: vrana popolavá
Slovenian: siva vrana
Spanish: Corneja Cenicienta
Swedish: gråkråka

Research

Interpretation and scientific publications about Hooded Crow from BTO scientists.

CAUSES AND SOLUTIONS

Causes of change

There is little good evidence available regarding the drivers of the breeding population change in this species in the UK.

Further information on causes of change

No further information is available.

Information about conservation actions

Numbers are stable or increasing, hence the Hooded Crow is not a species of concern and no conservation actions are currently required.

As is the case with Carrion Crow, Hooded Crows have been blamed for the declines of other species such as songbirds and waders, leading to calls to control numbers, and legal control of crows still occurs on shooting estates.

Links to more information from ConservationEvidence.com

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