Woodpeckers of the World: Picid in Focus: Lineated Woodpecker Dryocopus lineatus

Wednesday, 25 May 2011

Picid in Focus: Lineated Woodpecker Dryocopus lineatus

This large species (30-36cm in length) ranges across Central and South America where it is locally fairly common. It occurs in a range of open forested habitats from humid and dry forests to mangroves, from lowlands to mountains. It is often rather vocal. Photo of nominate race by Szabolcs Kokay, Trinidad, 2010.

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Background

Woodpeckers, the Picidae, are Piciformes, an order that includes some of the oldest avian lineages. The Piciformes probably originated about 60 million years ago in the Tertiary period and became distinct from their closest relatives some 50 million years ago. Depending upon which taxonomy is followed, and the fact that the status of some species is unclear, around 240-260 woodpecker species probably exist globally. The Picidae includes three subfamilies: Jynginae (wrynecks), Picumninae (piculets) and the Picinae, the “true woodpeckers”. In terms of size, behaviour, distribution and the habitats they use, the Picinae are a fairly diverse group of birds with six distinct tribes. They are widespread and found from sea-level to high-altitudes but absent from the Arctic, Antarctica, Australia, New Zealand, Papua New Guinea, Madagascar and some other islands. Worldwide woodpeckers are usually, but not exclusively, associated with trees.