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Blue ground doves are small pigeons, 20 cm long with a weight of 65–72 g. Adult males have blue-grey upperparts and paler grey underparts, becoming grey-white on the face. The flight feathers and outer tail feathers are blackish, and the wings are boldly spotted black (these spots often forming distinct bands).
Hummingbirds are small birds capable of hovering in mid-air due to the rapid flapping of their wings. They are the only birds that can fly backwards. Mexican violetear, Colibri thalassinus (A) Rivoli's hummingbird, Eugenes fulgens (A) Blue-throated mountain-gem, Lampornis clemenciae (H) (A) Ruby-throated hummingbird, Archilochus colubris
Backward flying, also known as reverse flying, is a locomotive phenomenon where the object flies in the opposite of its intended flight direction. Different fields
The peaceful dove has a pink-grey breast with chequered grey-brown wings. Thin striations of black appear around the neck and nape area and descend down the back. The eye is greyish-white and a blue-grey ring surrounds the eye that tapers off and joins the beak/cere. The juveniles are paler and less striated. They also have a duller eye ring.
Mourning dove, Zenaida macroura (V) Blue ground dove, Claravis pretiosa; Long-tailed ground dove, Uropelia campestris (E-SA) Maroon-chested ground dove, Paraclaravis mondetoura; Purple-winged ground dove, Paraclaravis geoffroyi (E-SA) Bare-faced ground dove, Metriopelia ceciliae (E-SA) Bare-eyed ground dove, Metriopelia morenoi (E-AR)
White-tipped dove: Leptotila verreauxi: Gray-fronted dove: Leptotila rufaxilla: Trinidad only Lined quail-dove: Zentrygon linearis: Trinidad only Eared dove: Zenaida auriculata: Blue ground dove: Claravis pretiosa: Trinidad only Common ground dove: Columbina passerina: Trinidad only Plain-breasted ground dove: Columbina minuta: Trinidad only ...
The species is now placed with other New World ground-doves in the genus Columbina that was introduced in 1825, by the German naturalist Johann Baptist von Spix. [5] There are nine species in this genus including the Inca dove (Columbina inca) and the scaled dove (Columbina squammata). [6] There are 17 recognised subspecies: [7] [6]
The blue-eyed ground dove is 15.5 cm (6.1 in) long. The male's head, neck, wing coverts, uppertail coverts, and breast are purplish red. Its lower breast, belly, flanks, shoulders, and back are browner. Its vent and undertail coverts are white. The closed wing shows dark brown and chestnut with iridescent blue spots.