Cuculiformes

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Cuculiformes
Chestnut-breasted Malkoha2.jpg
Chestnut-breastit Malkoha, Phaenicophaeus curvirostris
Scienteefic classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Subclass: Neornithes
Infraclass: Neognathae
Superorder: Neoaves
Order: Cuculiformes
Wagler, 1830
Faimilies

Cuculidae
Musophagidae
and see text

Range o the Cuculiformes.

The near passerine bird order Cuculiformes tradeetionally includit three faimilies as belaw:

Housomeivver, the taxonomy o this group is nou controversial. The Sibley-Ahlquist taxonomy raises the Musophagidae tae a order Musophagiformes which mey or mey no be warrantit. The Hoatzin continues tae be enigmatic; it is probably best regardit as a distinct, monotypic order, especially if the turacos are considered ane an aw. The coucals an anis are sometimes considered subfaimilies o the Cuculidae, or itherwise assigned tae faimilies o their awn, the Centropodidae an Crotophagidae respectively.

Evolution[eedit | eedit soorce]

The fossil record o this group is hintle debatit. The unique anatomy o Cuculidae (in the auld sense) aften allous for the easy identification even o isolatit bones. Cuckoos of prehistoric genera are kent syne the Late Eocene, some 40-35 million years ago. Turaco fossils are kent frae hintle later anerly.

A nummer o ither Paleogene fossils hae at times been assigned tae the Cuculiformes, but they are no uisually includit here onymair in mair recent treatments: The Late Paleocene tae mid-Eocene Gracilitarsidae wur at first believit tae be cuculiforms but this is no generally acceptit the day. They remain meesterious tho, due tae their apomorphic anatomy, an micht be close tae the equally enigmatic Sylphornithidae known from the mid-Eocene tae the Early Oligocene. Frae the Early Eocene, Parvicuculus an Procuculus might be Cypselomorphae o a hitherto unrecognisit lineage. The genus Foro micht be alliet wi the Hoatzin.

See an aw[eedit | eedit soorce]

Leet o Cuculiformes bi population

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