| Heard-only Birds | ||
| Species English Name | Species Scientific Name | Country |
| Marbled Wood Quail | Odontophorus gujanensis | Colombia |
| Chestnut Wood Quail | Odontophorus hyperythrus | Colombia |
| Hill Partridge | Arborophila torqueola | India |
| Chestnut-breasted Partridge | Arborophila mandellii | India |
| Ahanta Spurfowl | Pternistis ahantensis | Gambia |
| Indian Cuckoo | Cuculus micropterus | Nepal |
| Spotted Rail | Pardirallus maculatus | Cuba |
| Rufous-sided Crake | Laterallus melanophaius | Argentina |
| White-throated Crake | Laterallus albigularis | Costa Rica |
| Black-tailed Crake | Zapornia bicolor | India |
| Buff-fronted Owl | Aegolius harrisii | Argentina |
| Cloud-forest Pygmy Owl | Glaucidium nubicola | Colombia |
| Mountain Scops Owl | Otus spilocephalus | India, Taiwan |
| White-throated Screech Owl | Megascops albogularis | Colombia |
| Western Screech Owl | Megascops kennicottii | Canada |
| Eastern Screech Owl | Megascops asio | United States |
| Spectacled Owl | Pulsatrix perspicillata | Colombia |
| Rufous-banded Owl | Strix albitarsis | Colombia |
| Himalayan Owl | Strix nivicolum | India |
| Barred Owl | Strix varia | Canada |
| Red-bearded Bee-eater | Nyctyornis amictus | Thailand |
| Black-and-buff Woodpecker | Meiglyptes jugularis | Thailand |
| Great Slaty Woodpecker | Mulleripicus pulverulentus | Thailand |
| Speckle-breasted Antpitta | Cryptopezus nattereri | Argentina |
| Variegated Antpitta | Grallaria varia | Argentina |
| Equatorial Antpitta | Grallaria saturata | Colombia |
| Crested Jayshrike | Platylophus galericulatus | Thailand |
| Black-faced Rufous Warbler | Bathmocercus rufus | Uganda |
| Russet Bush Warbler | Locustella mandelli | India |
| White-winged Swamp Warbler | Bradypterus carpalis | Uganda |
| Black-crowned Scimitar Babbler | Pomatorhinus ferruginosus | India |
| Red-billed Scimitar Babbler | Pomatorhinus ochraceiceps | Thailand |
| Long-billed Wren-Babbler | Napothera malacoptila | India |
| Sooty-headed Wren | Pheugopedius spadix | Colombia |
| Red-tailed Ant Thrush | Neocossyphus rufus | Uganda |
| Purple Cochoa | Cochoa purpurea | India |
| Wrenthrush | Zeledonia coronata | Costa Rica |