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Bird of the week - Common Crossbill

Common Crossbill -Loxia curvirostra-

The Common Crossbill is very similar to the Parrot Crossbill but has a slightly less powerful beak than the last species mentioned. These are specialist feeders on conifer cones, and the unusual bill shape is an adaptation to assist the extraction of the seeds from the cone.

The Crossbill breeds very early in the year and has flying youngsters long before most of the migratory birds have arrived to the country.
The young birds have streaked feathers. Adult females are gray-green, while adult males have strong red feathers.

Crossbills are social birds that fly around in flocks looking for food.

Data from Lista Fuglestasjon since 1990:




Figure 1. Timing of migration at Lista Bird Observatory
This graph shows the timing of migration throughout the year, taken from the observations of our daily counts. The number is the total number of years for all years. Note: our counts in spring are from March 15 to June 10 and in autumn from July 15 to November 15.





Figure 2. Observations per year at Lista Bird Observatory
This graph shows the number of observations distributed by years. The yellow line is the average for all years. Note that the observations for 2018 will be completed in November.




Ringing numbers
Sorry, but we are outside of the spring and autum seasons.
Detailed log

Reportasje fra Lista FS
i Aftenposten

Seasonal deviation
Common Redpoll4-100%
Red Knot2-98%
Coal Tit6-95%
Whooper Swan1-95%
Black-tailed Godwit1-88%
European Shag6191+436%
White-tailed Eagle33+381%
Carrion Crow98+260%
Common Buzzard33+213%
Common Quail21+206%
View deviation of seasons
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Siste 5 på siden
  Migratory birds in Europe and Canada have advanced the timing of their spring migration due to climate change
  Begynnerkurs i ringmerking: 10.-11. august 2019
  Report from spring 2019
  The Scandinavian Triple - Autumn 2019
  Rapport fra høsten 2018

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Lista Fuglestasjon
Fyrveien 6
NO-4563 Borhaug
post@listafuglestasjon.no Tlf: 949 86 793