Picazuro Pigeon
Patagioenas picazuro
It is a large pigeon with a wingspan of up to 22 inches and can weigh as much as a pound. It is a brown bird with white dashes on the back of its neck and darker brown wing patterns. It is similar in appearance to the spotted dove.
ID text from Wikipedia, CC BY-SA 4.0

Spot-winged Pigeon
Patagioenas maculosa
The two subspecies of spot-winged pigeon differ significantly in their plumage. The nominate P. m. maculosa is 32 to 33 cm (13 to 13 in) long and weighs 308 to 347 g (10.9 to 12.2 oz). The adult male's forehead, crown, nape, hindneck, and breast are mostly dull purplish pink and the rest of the head and underparts are gray. The upper back and wing coverts are dark brown and show creamy white spots. The wings are mostly black above and pale gray below. The lower back and rump are bluish gray and the tail dark gray. The adult female is similar but the head and neck are generally duller. Voice: P. m. maculosa's song is "a rhythmic series of very hoarse-sounding coos...'cuuuuu uh-cuh-cuuuh...' repeated two or three times. Its call is "a repeated growling 'grwhoh'". P. m. albipennis's song is "a gruff 'rrrrrow grr-g’RRRR grr-g’RRRR grr-g’RRRR'" and its call a "short 'corw'".
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: Picazuro Pigeon and Spot-winged Pigeon.