䳍科
科，有9属47种149个亚种。小到中型，身体丰满短胖，有强壮的腿和尾巴，分布在南美和中美洲，属于于新热带地区的陆禽。栖息环境是森林或草原，从海平面上升到5300米都有活动。足具4趾，大趾或不存在；翅退化；体形大，长达90厘米以上。均为地栖型，善走而不善飞。
该科种类
（9属47种）
1. 灰䳍 Tinamus tao Grey Tinamou
2.孤䳍Tinamus solitarius Solitary Tinamou
3. 黑䳍 Tinamus osgoodi 黑色 Tinamou
4. 大䳍 Tinamus major Great Tinamou
5. 白喉䳍 Tinamus guttatus White-throated Tinamou
林䳍属
6. 高原林䳍 Nothocercus bonapartei Highland Tinamou
7. 茶胸林䳍 Nothocercus julius Tawny-breasted Tinamou
8. 斗篷林䳍 Nothocercus nigrocapillus Hooded Tinamou
穴䳍属
9.灰穴䳍 Crypturellus cinereus Cinereous Tinamou
10. 伯氏穴䳍 Crypturellus berlepschi Berlepsch's Tinamou
11. 小穴䳍 Crypturellus soui Little Tinamou
12. 灰喉穴䳍 Crypturellus ptaritepui Tepui Tinarnou
13.褐穴䳍 Crypturellus obsoletus 褐色 Tinamou
14. 波斑穴䳍 Crypturellus undulatus Undulated Tinamou
15. 淡眉穴䳍 Crypturellus transfasciatus Pale-browed Tinamou
16. 巴西穴䳍 Crypturellus strigulosus Brazilian Tinamou
17. 灰腿穴䳍 Crypturellus duidae Grey-legged Tinamou
18. 红脚穴䳍 Crypturellus erythropus 红色footed Tinamou
19. 黄腿穴䳍 Crypturellus noctivagus 黄色legged Tinamou
20. 黑顶穴䳍 Crypturellus atrocapillus 黑色capped Tinamou
21. 棕穴䳍 Crypturellus cinnamomeus Thicket Tinamou
22. 灰胸穴䳍 Crypturellus boucardi Slaty-breasted Tinamou
23. 乔科穴䳍 Crypturellus kerriae Choco Tinamou
24. 杂色穴䳍 Crypturellus variegatus variegated Tinamou
25. 锈色穴䳍 Crypturellus brevirostris Rusty Tinamou
26. 巴氏穴䳍 Crypturellus bartletti Bartlett's Tinamou
27. 小嘴穴䳍 Crypturellus parvirostris Small-billed Tinamou
28. 斑穴䳍 Crypturellus casiquiare Barred Tinamou
29. 塔陶穴䳍 Crypturellus tataupa Tataupa Tinamou
红翅䳍属
30. 红翅䳍 Rhynchotus rufescens 红色winged Tinamou
斑䳍属
31. 高山斑䳍 Nothoprocta taczanowskii Taczanowski's Tinamou
32. 秘鲁斑䳍 Nothoprocta kalinowskii Kalinowski's Tinamou
33. 丽色斑䳍 Nothoprocta ornata Ornate Tinamou
34. 智利斑䳍 Nothoprocta perdicaria Chilean Tinamou
35. 灰斑䳍 Nothoprocta cinerascens Brushland Tinamou
36. 安第斯斑䳍 Nothoprocta pentlandii Andean Tinamou
37. 弯嘴斑䳍 Nothoprocta curvirostris Curve-billed Tinamou
拟䳍属
38. 白腹拟䳍 Nothura boraquira White-bellied Nothura
39. 小拟䳍 Nothura minor Lesser Nothura
40. 达尔文拟䳍 Nothura darwinii Darwin's Nothura
41. 斑拟䳍 Nothura maculosa Spotted Nothura
42. 查科拟䳍 Nothura chacoensis Chaco Nothura
侏䳍属
43. 侏䳍 Taoniscus nanus Dwarf Tinamou
凤头䳍属
44. 凤头䳍 Eudromia elegans Elegant Crested-Tinamou
45. 丽凤头䳍 Eudromia formosa Quebracho Crested--Tinamou
山䳍属
46. 北山䳍 Tinamotis pentlandii Puna Tinamou
47. 南山䳍 Tinamotis ingoufi Patagonian Tinamou