tirsdag 2. oktober 2012

Nøttekråker

Nøttekråka var en virkelig sjelden gjest i Trøndelag før 1995. Det året var det en kjempestor invasjon av sibirske nøttekråker, og flere steder etablerte og formert fuglene seg. Dermed har de blitt en del av naturen vår.


I Namsos har nøttekråkene etablert seg, og jeg får ofte inn meldinger fra folk som har sett den. Nylig tok jeg en liten ettermiddagstur til en hage der fuglen var observert, og den dukket umidelbart opp. Disse invasjonsfuglene fra de sibirske skoger er slett ikke sky. Da jeg kastet ei kongle på gresset, bare 10 meter unna meg, kom det straks en fugl og hentet godbiten.


Som du ser er kongla uvanlig stor, og forklaringa følger: På sensommeren og høsten kan nøttekråka sees mange steder i bebygde områder og bystrøk, der den oppsøker den sibirske furutypen - sembrafuru. Dette er et tre som blir brukt i hager og parker hos oss. Sembrafurua gir store kongler, og disse inneholder frø som er en livrett hos denne østlige fuglearten. 

Mange tror det er nye fugler som oppsøker hagene hvert år, men fakta er at denne sjarmerende, skrikende fuglen altså er et fast innslag hos oss nå. Den vises imidlertid best på høsten når den kommer for å hente godbitene den savner fra sitt opprinnelige levested.


Det blir vel som om at vi skulle ha flyttet til tundraen og oppdaget at det hver høst fløt over med trøndersodd i spesielle områder. Klart vi ville ha oppsøkt disse stedene...

35 kommentarer:

  1. En herlig fugl som vi dessverre bare har besøk av som streiffugl her nede hos meg i Nittedal... Gøy at den har etablert seg oppe hos dere...

    SvarSlett
  2. Bilde nr. 2 var artig - og skikkelig bra!

    SvarSlett
  3. Hei Kjartan,
    flotte bilder av nøttekråka, en fugl som jeg personlig synes er veldig flott i sin prikkete fjærdrakt. Fikk noen på brikken ved Nidarøhallen, og det tok ikke mer enn et par-tre dager for dem og spise alle konglene på sembrafurua som står ved gangbrua over til Ila kirke. Det var artig å se på dem, med sine klisne nebb etter kvaen på konglene!
    Mvh Lillian

    SvarSlett
  4. Vilken spännande fågel, fina bilder. Tror inte vi har den i södra Sverige, aldrig sett

    SvarSlett
  5. Det var helt klart en nøttekråke vi hadde besøk av i hagen på Høvik i Bærum, tidligere i dag. Jeg har aldri sett denne fuglen før - spennende:)! Rakk dessverre ikke å ta bilde av den.

    SvarSlett
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