Grey-fronted Dove
Leptotila rufaxilla
The grey-fronted dove is about 28 cm (11 in) long and weighs 115 to 183 g (4.1 to 6.5 oz). Adult males of the nominate subspecies have a grayish to bluish forehead ("front"), a bluish gray crown, and a grayish purple nape and hindneck with some iridescence. The yellow or brown eye is surrounded by bare red skin that is itself surrounded by pinkish white feathers. The throat is also pinkish white and the rest of the face buff to pinkish buff. The upperparts are olive-brown with faint bronze or purplish on the mantle. Voice: The grey-fronted dove's song is "a single mournful monotonous note 'wooOOOoo' which fades in and out."
ID text from Wikipedia, CC BY-SA 4.0
White-tipped Dove
Leptotila verreauxi
The dove is about 28 cm (11 in) long and weighs 155 g (5.5 oz). Adult birds of most races have a grey tinge from the crown to the nape, a pale grey or whitish forehead and a whitish throat. The eye-ring is typically red in most of its range, but blue in most of the Amazon and northern South America. The upperparts and wings are grey-brown, and the underparts are whitish shading to pinkish, dull grey or buff on the chest. The underwing coverts are rufous. The tail is broadly tipped with white, but this is best visible from below or in flight.
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Grey-fronted Dove and White-tipped Dove.