| No. | Item | Definition |
|---|---|---|
| 1. | albatross | a very large oceanic seabird |
| 2. | avocet | a wader with upturned bill |
| 3. | back | upper rear body surface |
| 4. | belly | the underside of the body |
| 5. | bill | a bird’s beak |
| 6. | bird | a feathered flying animal |
| 7. | breast | front chest area |
| 8. | brood | to sit on eggs |
| 9. | call | a bird’s shorter vocal sound |
| 10. | camouflage | coloring that helps conceal |
| 11. | chick | a young bird |
| 12. | courtship | behavior to attract a mate |
| 13. | coverts | small feathers covering bases |
| 14. | crest | feathers on top of head |
| 15. | crow | a large intelligent black bird |
| 16. | crown | top of a bird’s head |
| 17. | dive | to plunge downward quickly |
| 18. | dove | a small gentle pigeon |
| 19. | duck | a common swimming waterbird |
| 20. | eagle | a large powerful raptor |
| 21. | egg | the shelled reproductive body |
| 22. | eyeline | line through or near eye |
| 23. | eyering | ring of feathers around eye |
| 24. | falcon | a swift hunting bird |
| 25. | feather | one of a bird’s plumage parts |
| 26. | field mark | visible feature used for identification |
| 27. | finch | a small conical-billed bird |
| 28. | flap | to beat the wings |
| 29. | fledgling | a young bird learning to fly |
| 30. | flock | a group of birds |
| 31. | forage | to search for food |
| 32. | goose | a large waterfowl bird |
| 33. | grebe | a diving bird with lobed toes |
| 34. | gull | a common coastal bird |
| 35. | habitat | the natural home environment |
| 36. | hatch | to emerge from an egg |
| 37. | hawk | a medium-sized bird of prey |
| 38. | heron | a long-legged wading bird |
| 39. | hover | to stay nearly motionless aloft |
| 40. | hummingbird | a tiny hovering nectar-feeder |
| 41. | ibis | a wading bird with curved bill |
| 42. | jay | a noisy colorful corvid |
| 43. | kingfisher | a fish-eating bird with large bill |
| 44. | lark | a songbird known for singing |
| 45. | loon | a diving waterbird |
| 46. | magpie | a long-tailed black-and-white corvid |
| 47. | mantle | back area between wings |
| 48. | mask | dark facial marking |
| 49. | migrant | a bird that migrates |
| 50. | migration | seasonal movement between regions |
| 51. | mockingbird | a bird that mimics songs |
| 52. | molt | to shed and replace feathers |
| 53. | nape | back of the neck |
| 54. | nest | structure where birds lay eggs |
| 55. | nightjar | a nocturnal insect-eating bird |
| 56. | nuthatch | a tree-climbing songbird |
| 57. | oriole | a bright orange-and-black songbird |
| 58. | owl | a nocturnal bird of prey |
| 59. | passerine | a perching bird |
| 60. | perch | a place where birds sit |
| 61. | plover | a small shorebird with short bill |
| 62. | plumage | a bird’s feathers collectively |
| 63. | predator | an animal that hunts prey |
| 64. | preen | to clean and arrange feathers |
| 65. | prey | an animal hunted for food |
| 66. | primaries | outer flight feathers |
| 67. | quail | a small ground-dwelling bird |
| 68. | rail | a secretive marsh bird |
| 69. | range | the area a species occupies |
| 70. | raptor | a bird of prey |
| 71. | raven | a large black corvid |
| 72. | resident | a bird present year-round |
| 73. | robin | a familiar thrush-like songbird |
| 74. | roost | a place birds rest |
| 75. | rump | area above the tail |
| 76. | seabird | a bird of marine habitats |
| 77. | secondaries | inner flight feathers |
| 78. | shorebird | a bird of shores and mudflats |
| 79. | soar | to fly without much flapping |
| 80. | song | a bird’s musical vocalization |
| 81. | songbird | a perching bird, often musical |
| 82. | sparrow | a small seed-eating bird |
| 83. | supercilium | stripe above the eye |
| 84. | tail | the rear feathers of a bird |
| 85. | talon | a bird’s sharp claw |
| 86. | tarsus | lower leg segment |
| 87. | tern | a slender seabird with pointed wings |
| 88. | territory | an area defended by a bird |
| 89. | throat | front of the neck |
| 90. | thrush | a songbird often with spotted breast |
| 91. | underwing | the wing’s underside |
| 92. | vireo | a small greenish songbird |
| 93. | vulture | a scavenging bird of prey |
| 94. | wader | a bird that feeds in shallows |
| 95. | warbler | a small active songbird |
| 96. | waterfowl | ducks, geese, and swans |
| 97. | wing | the forelimb used for flight |
| 98. | wingbar | stripe across the wing |
| 99. | woodpecker | a tree-drilling bird |
| 100. | wren | a tiny active songbird |