Grey Tinamou
Tinamus tao
The gray tinamou is believed to be the largest species among the tinamous. Reported total length is from 41.5 to 49 cm (16.3 to 19.3 in) and possibly as much as 53 cm (21 in). In body mass, males may scale from 1,325 to 1,863 g (2.921 to 4.107 lb), averaging 1,565 g (3.450 lb), and females can weigh from 1,430 to 2,080 g (3.15 to 4.59 lb), averaging 1,636 g (3.607 lb) and possibly weighing as much as 2,300 g (5.1 lb). As suggested by its name, it is mostly grey. The back and head are barred blackish, and its vent is cinnamon. White spotting extends along the head and down the neck.
ID text from Wikipedia, CC BY-SA 4.0
White-throated Tinamou
Tinamus guttatus
The white-throated tinamou has chestnut-brown upperparts with blackish streaking on lower back and small yellowish-white spots. It has paler underparts with wider, dark barring on flanks. It has a grey head and neck, with a white throat, brown eye, and brown bill. These birds measure between 32 and 36 cm (13 and 14 in) in length.
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 Tinamou and White-throated Tinamou.