Symbiosis
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Symbiosis
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Red Crossbill
Elaine R. Wilson, www.naturespicsonline.com / CC BY-SA 3.0

Bird·Fringillidae

Red Crossbill

Loxia curvirostra

Habitat
Coniferous forest
IUCN status
LCLeast Concern
Wingspan
~29 cm

Ecological relationships

Feeds on

  • Scots Pine
    Scots PinePinus sylvestris

    Beak evolved specifically to extract seeds from closed pine cones. Nearly obligate on conifers.

  • Norway Spruce
    Norway SprucePicea abies

    Spruce cones are a primary food source across much of the European range; mandible morphology is adapted to prise open conifer cone scales.

Bird call

© Bauke Albada / XC1142049 / https://creativecommons.org/licenses/by-nc-sa/4.0/

Plumage

Red Crossbill, plumage
(c) Karim Haddad, some rights reserved (CC BY)