Melanerpes flavifrons

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Picchio frontegialla
Melanerpes flavifrons
Stato di conservazione
Rischio minimo[1]
Classificazione scientifica
DominioEukarya
RegnoAnimalia
SottoregnoEumetazoa
SuperphylumDeuterostomia
PhylumChordata
SubphylumVertebrata
InfraphylumGnathostomata
SuperclasseTetrapoda
ClasseAves
SottoclasseNeornithes
SuperordineNeognathae
OrdinePiciformes
FamigliaPicidae
SottofamigliaPicinae
GenereMelanerpes
SpecieM. flavifrons
Nomenclatura binomiale
Melanerpes flavifrons
Vieillot, 1818

Il picchio frontegialla (Melanerpes flavifrons Vieillot, 1818) è un uccello appartenente alla famiglia dei Picidae[2] diffuso in America Meridionale.

Descrizione

Il picchio frontegialla misura circa 22 cm di lunghezza.[3] La specie presenta anelli palpebrali nudi e di colore giallo; gialli sono anche la fronte e la gola. Nel maschio l'apice del capo è rosso vivo; è presente del rosso anche sul petto. È presente una striscia bianca sul dorso. Le penne timoniere, nere con delle barre bianche, terminano con delle punte a forma di spina per fungere meglio da supporto quando l'animale si arrampica. Vi è dimorfismo sessuale: la femmina non ha il capo rosso ma nero.

Biologia

È un uccello stanziale e comune nel suo ambiente. Sebbene sia piuttosto difficile da osservare in natura si ritiene che abbia un comportamento socievole, e ciò è supportato dal fatto che si nutre in gruppi sugli alberi. La specie è frugivora ma dagli studi condotti su esemplari in cattività è emerso che può nutrirsi anche di insetti. La predilezione per soluzioni zuccherine fa pensare che in natura il picchio frontegialla possa succhiare anche il nettare dai fiori. Il maschio effettua parate di corteggiamento e a scopo difensivo che consistono in una serie di movimenti della testa volti a mettere in mostra i colori sgargianti del capo e della gola e gli anelli palpebrali. Le modalità di nidificazione non sono note ma si suppone che il nido sia una cavità scavata in un tronco d'albero.

Distribuzione e habitat

La specie è diffusa nella parte sudorientale del Brasile, in Paraguay e nel nordest dell'Argentina. Vive sia nelle foreste che nelle che nei boschi radi.

Note

  1. ^ (EN) BirdLife International 2012, Melanerpes flavifrons, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020. URL consultato il 1º dicembre 2016.
  2. ^ (EN) F. Gill e D. Donsker (a cura di), Family Picidae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato il 1º dicembre 2016.
  3. ^ Colin Harrison e Alan Greensmith, Uccelli del mondo, Dorling Kindersley.

Bibliografia

  • Colin Harrison e Alan Greensmith, Uccelli del mondo, Dorling Kindersley, ISBN 88-88666-80-X.

Altri progetti

Collegamenti esterni

  Portale Animali

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