4. november 2016

Valgetiib-tuvi, Zenaida asiatica

Valgetiib-tuvi, Zenaida asiatica, White-winged Dove, Melopelia, Singing, Mesquite, WingValgetiib-tuvi, Zenaida asiatica, White-winged Dove, Melopelia, Singing, Mesquite, Wing Meigitud tuvi.
Valgetiib-tuvi on Põhja- ja Kesk-Ameerika lind, keda USA-s peetakse lausa kahjuriks, kuna nende suured parved võivad nahka pista üsna arvestatava hulga kasvavat vilja. Lisaks põllukultuuridele (alates maisist, mis on eriline lemmik, lõpetades  päevalilledega) sobivad toiduks tegelikult kõik seemned ja viljad, ükskõik kui kidurad need ka poleks. Nii näiteks suudab valgetiib kenasti hakkama saada ka Arizona purukuivades kõrbetes, toitudes vaid kaktuseviljadest ja -nektarist. Fotod tehtud Costa Ricas, Nicoya poolsaare merekarbiklibusel rannal.
Dove with a make-up.
White-winged Dove is a North and Central American bird that is considered a pest in the US due to the fact that flocks of these doves can do a lot of damage in the grain fields. Besides the agricultural crops (from corn, that is the favorite food, to sunflowers), all other seeds and fruits will do as well, regardless of how stunted they are. For example the whitewings manage to live very well in bone dry Arizona deserts, feeding only on the seeds and nectar of the cacti. The photos are taken in  Nicoya peninsula, Costa Rica, on a beach filled with tiny crushed seashells.

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