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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
This season2680
Detailed log

Reportasje fra Lista FS
i Aftenposten

Seasonal deviation
Common Redpoll4-100%
Spotted Nutcracker2-99%
Sedge Warbler19-95%
Northern Lapwing95-95%
Greater Scaup1-94%
European Goldfinch1171+275%
Carrion Crow43+257%
Eurasian Collared Dove70+239%
Common Buzzard188+218%
Horned Lark46+188%
View deviation of seasons

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  Bird of the week - Merlin
  Bird of the week - Greylag Goose
  Bird of the week - Dunlin
  Bird of the week - Common Crossbill

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Lista Fuglestasjon
Fyrveien 6
NO-4563 Borhaug Tlf: 949 86 793