| Philippine Pygmy Woodpecker Yungipicus maculatus | Piciformes / Picidae | LC |
| Sunda Pygmy Woodpecker Yungipicus moluccensis | Piciformes / Picidae | LC |
| Brown-capped Pygmy Woodpecker Yungipicus nanus | Piciformes / Picidae | LC |
| Sulu Pygmy Woodpecker Yungipicus ramsayi | Piciformes / Picidae | VU |
| Sulawesi Pygmy Woodpecker Yungipicus temminckii | Piciformes / Picidae | LC |
| Red-billed Malkoha Zanclostomus javanicus | Cuculiformes / Cuculidae | LC |
| Baudin's Black Cockatoo Zanda baudinii | Psittaciformes / Cacatuidae | CR |
| Yellow-tailed Black Cockatoo Zanda funerea | Psittaciformes / Cacatuidae | LC |
| Carnaby's Black Cockatoo Zanda latirostris | Psittaciformes / Cacatuidae | EN |
| St. Helena Crake Zapornia astrictocarpus | Gruiformes / Rallidae | EX |
| Henderson Crake Zapornia atra | Gruiformes / Rallidae | VU |
| Black Crake Zapornia flavirostra | Gruiformes / Rallidae | LC |
| Kosrae Crake Zapornia monasa | Gruiformes / Rallidae | EX |
| Tahiti Crake Zapornia nigra | Gruiformes / Rallidae | EX |
| Sakalava Rail Zapornia olivieri | Gruiformes / Rallidae | EN |
| Laysan Rail Zapornia palmeri | Gruiformes / Rallidae | EX |
| Hawaiian Rail Zapornia sandwichensis | Gruiformes / Rallidae | EX |
| Spotless Crake Zapornia tabuensis | Gruiformes / Rallidae | LC |
| White-cheeked Cotinga Zaratornis stresemanni | Passeriformes / Cotingidae | NT |
| Ethiopian Bushcrow Zavattariornis stresemanni | Passeriformes / Corvidae | EN |
| Zigzag Heron Zebrilus undulatus | Pelecaniformes / Ardeidae | LC |
| Wrenthrush Zeledonia coronata | Passeriformes / Zeledoniidae | LC |
| White-winged Dove Zenaida asiatica | Columbiformes / Columbidae | LC |
| Eared Dove Zenaida auriculata | Columbiformes / Columbidae | LC |
| Zenaida Dove Zenaida aurita | Columbiformes / Columbidae | LC |
| Galapagos Dove Zenaida galapagoensis | Columbiformes / Columbidae | NT |
| Socorro Dove Zenaida graysoni | Columbiformes / Columbidae | EW |
| Mourning Dove Zenaida macroura | Columbiformes / Columbidae | LC |
| West Peruvian Dove Zenaida meloda | Columbiformes / Columbidae | LC |
| White-faced Quail-Dove Zentrygon albifacies | Columbiformes / Columbidae | LC |
| Tuxtla Quail-Dove Zentrygon carrikeri | Columbiformes / Columbidae | EN |
| Chiriqui Quail-Dove Zentrygon chiriquensis | Columbiformes / Columbidae | LC |
| Buff-fronted Quail-Dove Zentrygon costaricensis | Columbiformes / Columbidae | LC |
| White-throated Quail-Dove Zentrygon frenata | Columbiformes / Columbidae | LC |
| Russet-crowned Quail-Dove Zentrygon goldmani | Columbiformes / Columbidae | NT |
| Purplish-backed Quail-Dove Zentrygon lawrencii | Columbiformes / Columbidae | LC |
| Lined Quail-Dove Zentrygon linearis | Columbiformes / Columbidae | LC |
| Guianan Tyrannulet Zimmerius acer | Passeriformes / Tyrannidae | LC |
| Choco Tyrannulet Zimmerius albigularis | Passeriformes / Tyrannidae | LC |
| Bolivian Tyrannulet Zimmerius bolivianus | Passeriformes / Tyrannidae | LC |
| Chico's Tyrannulet Zimmerius chicomendesi | Passeriformes / Tyrannidae | NT |
| Golden-faced Tyrannulet Zimmerius chrysops | Passeriformes / Tyrannidae | LC |
| Red-billed Tyrannulet Zimmerius cinereicapilla | Passeriformes / Tyrannidae | LC |
| Slender-footed Tyrannulet Zimmerius gracilipes | Passeriformes / Tyrannidae | LC |
| Spectacled Tyrannulet Zimmerius improbus | Passeriformes / Tyrannidae | LC |
| Mistletoe Tyrannulet Zimmerius parvus | Passeriformes / Tyrannidae | LC |
| Venezuelan Tyrannulet Zimmerius petersi | Passeriformes / Tyrannidae | LC |
| Guatemalan Tyrannulet Zimmerius vilissimus | Passeriformes / Tyrannidae | LC |
| Mishana Tyrannulet Zimmerius villarejoi | Passeriformes / Tyrannidae | LC |
| Peruvian Tyrannulet Zimmerius viridiflavus | Passeriformes / Tyrannidae | LC |