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Bird Sightings : Hebrides : Common Crossbill

Female Common Crossbill

Common Crossbill

(Crossbill)

Loxia curvirostra

Gaelic: Cam-ghob

 

Photography © Andy L
Garrabost - Point - Isle of Lewis - Outer Hebrides (Western Isles)
30th September, 2008

Our Common Crossbill photographs

Common Crossbill	Common Crossbill	Common Crossbill female	Common Crossbill Male July
Common Crossbill Male July	Common Crossbill Female July	Common Crossbill

• Common Crossbill
• Loxia curvirostra
• Gaelic: cam-ghob
• UK: Migrant/Resident Breeder, Passage/Winter Visitor
• UK: Summer breeding 11,000 pairs BTO
• WI: One possible breeding record. Scarce passage visitor (Very small numbers each year) except in irruption years
• Europe, Asia, North + Central America
• Habitat: Coniferous forest
• Diet: Conifer seeds. Feeds fluttering from cone to cone. Bill is an adaptation for extracting the seeds of a cone.
• Noisy, chunky finch. Large head. Bill crossed over at tip. Usually flys at treetop height coming down to drink. Adult males orange or brick-red. Females greenish-brown.
• Average lifespan 2yrs, Max recorded lifespan 8yr 4months
• Listen to a Common Crossbill (RSPB site)
• Similar birds: Scottish Crossbill (Not on Outer Hebrides Birds Checklist), Parrot Crossbill

 

An irruption is when finches and other seed eaters move in large numbers in search of food. If the cone crop failed on their usual breeding grounds, Crossbills may be numerous in the UK and will arrive from the Continent from late summer, often staying to breed. There are just 1 or 2 possible Western Isles breeding records.

Crossbill's breeding season lasts from summer to the next spring to take advantage of maximum cone supplies.

In a study it was found that the number of successful breeding pairs was found to be positively correlated to the number of cones read more

 

Common Crossbill records in the Western Isles

One possible breeding record
Scarce passage visitor (Very small numbers each year) except in irruption years
Source: Outer Hebrides Bird Report (2001)

The chart below shows how abundant the Common Crossbill is during a month or when you are more likely to see it.

J	F	M	A	M	J	J	A	S	O	N	D

(Source: Outer Hebrides Birds Checklist)

 

Other local bird photographs

Sources of information for the bird sightings section

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