Anseriformes

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  Apodiformes

  Traditionally, the bird order Apodiformes contained three living families: the swifts (Apodidae), the tree swifts (Hemiprocnidae), and the hummingbirds (Trochilidae). In the Sibley-Ahlquist taxonomy, this order is raised to a superorder Apodimorphae in which hummingbirds are separated as a new...
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  Gruiformes

  The Gruiformes are an order containing a considerable number of living and extinct bird families, with a widespread geographical diversity. Gruiform means "crane-like". Traditionally, a number of wading and terrestrial bird families that did not seem to belong to any other order were classified...
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  Falconiformes

  The order Falconiformes is a group of about 290 species of birds that comprises the diurnal birds of prey. Raptor classification is difficult and the order is treated in several ways. Traditionally, all the raptors are grouped into four families in this single order. However, in Europe, it has...
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  Penguin

  Penguins (order Sphenisciformes, family Spheniscidae) are a group of aquatic, flightless birds living almost exclusively in the southern hemisphere, especially in Antarctica. Highly adapted for life in the water, penguins have countershaded dark and white plumage, and their wings have become...

• Trochiliformes

  In the Sibley-Ahlquist taxonomy, Apodiformes is raised to a superorder Apodimorphae in which hummingbirds are separated as a new order, Trochiliformes, but this was refuted by subsequent research. Hermits and Hummingbirds

• Upupiformes

  Hoopoes and Scimitarbill. In the Sibley-Ahlquist taxonomy, the Hoopoe is separated from the Coraciiformes as a separate order, the Upupiformes.