Wednesday, 12 November 2008

Great Spotted Woodpecker: atypical female

These two photos of a Great Spotted Woodpecker Dendrocopos major were taken recently in Hungary by Szabolcs Kókay. The bird seems to be a female as a male would have a large red nape patch. But note that though this bird's nape is black, there are two spots of red on the nape. Juvenile Great Spotted Woodpeckers of both sexes have all red crowns and sometimes retain some red colour on the head after moulting into adult plumage, so it might be considered that this bird is a female that has just moulted from juvenile to adult plumage (see brown feathers on the wing in one photo) and which has retained some red feathers on the head. However, this would not explain why the red is on the nape, rather than on the crown. It might also be thought that this is an adult male that has a reduced amount of red on the nape. However, I consider this bird to be an atypical female. In fact, close inspection of Great Spotted (and other Dendrocopos woodpeckers) often reveals unusual, atypical plumages such as this.


Monday, 10 November 2008

Quiz woodpecker 20

What is this species. And sex ? And why ? Photo taken by Julia Burton in Hungary in October 2008.

Friday, 7 November 2008

Feeding signs on a fir tree

This photo (taken in the Bieszczady Mountains, Poland, in November 2008) shows feeding marks left on a fir tree Abies alba by a woodpecker (species uncertain). The bird had been been searching for the larva of long-horn beetles (Rhagium species) which lay just below the soft bark.

Thursday, 23 October 2008

Gallery: Black Woodpecker nestlings

Black Woodpeckers can be visually sexed when still in the nesting cavity, i.e. before they fledge. As with adults, fledgling males have complete red crowns whilst fledgling females only have red on the hind crown. Thus, the top bird in this photo is a male. The sex of the lower bird is unclear due to its crown being out of view.

Tuesday, 21 October 2008

Gallery: Black Woodpecker adult male

Male Black Woodpecker Dryocopus martius. Taken in the Danube Delta, Romania, by Daniel Petrescu. Note the all red crown. Also note the brown feathers on the wing. It is not clear whether this is a result of age, wear or other factors.

Sunday, 19 October 2008

Gallery: Black Woodpecker female

Female Black Woodpecker Dryocopus martius. Taken in the Danube Delta, Romania, by Daniel Petrescu. Note only the rear of the crown is red.

Saturday, 4 October 2008

Gallery: Syrian Woodpecker adult female

Adult female Syrian Woodpecker Dendrocopos syriacus. Taken by Bence Kókay near Apaj in Hungary.