| Wattled Smoky Honeyeater Melipotes carolae | Passeriformes / Meliphagidae | LC |
| Common Smoky Honeyeater Melipotes fumigatus | Passeriformes / Meliphagidae | LC |
| Arfak Honeyeater Melipotes gymnops | Passeriformes / Meliphagidae | LC |
| Black-headed Honeyeater Melithreptus affinis | Passeriformes / Meliphagidae | LC |
| White-throated Honeyeater Melithreptus albogularis | Passeriformes / Meliphagidae | LC |
| Brown-headed Honeyeater Melithreptus brevirostris | Passeriformes / Meliphagidae | LC |
| Gilbert's Honeyeater Melithreptus chloropsis | Passeriformes / Meliphagidae | LC |
| Black-chinned Honeyeater Melithreptus gularis | Passeriformes / Meliphagidae | NE |
| White-naped Honeyeater Melithreptus lunatus | Passeriformes / Meliphagidae | LC |
| Strong-billed Honeyeater Melithreptus validirostris | Passeriformes / Meliphagidae | VU |
| White-streaked Friarbird Melitograis gilolensis | Passeriformes / Meliphagidae | LC |
| Bee Hummingbird Mellisuga helenae | Apodiformes / Trochilidae | NT |
| Vervain Hummingbird Mellisuga minima | Apodiformes / Trochilidae | LC |
| Black Butcherbird Melloria quoyi | Passeriformes / Artamidae | LC |
| Moustached Grass Warbler Melocichla mentalis | Passeriformes / Macrosphenidae | LC |
| St. Kitts Bullfinch Melopyrrha grandis | Passeriformes / Thraupidae | CR |
| Cuban Bullfinch Melopyrrha nigra | Passeriformes / Thraupidae | NT |
| Puerto Rican Bullfinch Melopyrrha portoricensis | Passeriformes / Thraupidae | VU |
| Grand Cayman Bullfinch Melopyrrha taylori | Passeriformes / Thraupidae | NT |
| Greater Antillean Bullfinch Melopyrrha violacea | Passeriformes / Thraupidae | LC |
| Swamp Sparrow Melospiza georgiana | Passeriformes / Passerellidae | LC |
| Lincoln's Sparrow Melospiza lincolnii | Passeriformes / Passerellidae | LC |
| Song Sparrow Melospiza melodia | Passeriformes / Passerellidae | LC |
| Abert's Towhee Melozone aberti | Passeriformes / Passerellidae | LC |
| White-throated Towhee Melozone albicollis | Passeriformes / Passerellidae | LC |
| Prevost's Ground Sparrow Melozone biarcuata | Passeriformes / Passerellidae | LC |
| Cabanis's Ground Sparrow Melozone cabanisi | Passeriformes / Passerellidae | NT |
| California Towhee Melozone crissalis | Passeriformes / Passerellidae | LC |
| Canyon Towhee Melozone fusca | Passeriformes / Passerellidae | LC |
| Rusty-crowned Ground Sparrow Melozone kieneri | Passeriformes / Passerellidae | LC |
| White-eared Ground Sparrow Melozone leucotis | Passeriformes / Passerellidae | LC |
| Grey-crowned Ground Sparrow Melozone occipitalis | Passeriformes / Passerellidae | LC |
| White-cheeked Turaco Menelikornis leucotis | Musophagiformes / Musophagidae | LC |
| Ruspoli's Turaco Menelikornis ruspolii | Musophagiformes / Musophagidae | NT |
| Tsingy Forest Rail Mentocrex beankaensis | Gruiformes / Sarothruridae | VU |
| Madagascar Forest Rail Mentocrex kioloides | Gruiformes / Sarothruridae | LC |
| Albert's Lyrebird Menura alberti | Passeriformes / Menuridae | LC |
| Superb Lyrebird Menura novaehollandiae | Passeriformes / Menuridae | LC |
| Torrent Duck Merganetta armata | Anseriformes / Anatidae | LC |
| New Zealand Merganser Mergus australis | Anseriformes / Anatidae | EX |
| Brazilian Merganser Mergus octosetaceus | Anseriformes / Anatidae | CR |
| Purple-bearded Bee-eater Meropogon forsteni | Coraciiformes / Meropidae | LC |
| White-throated Bee-eater Merops albicollis | Coraciiformes / Meropidae | LC |
| Rufous-crowned Bee-eater Merops americanus | Coraciiformes / Meropidae | LC |
| Böhm's Bee-eater Merops boehmi | Coraciiformes / Meropidae | LC |
| Black-headed Bee-eater Merops breweri | Coraciiformes / Meropidae | LC |
| White-fronted Bee-eater Merops bullockoides | Coraciiformes / Meropidae | LC |
| Red-throated Bee-eater Merops bulocki | Coraciiformes / Meropidae | LC |
| Arabian Green Bee-eater Merops cyanophrys | Coraciiformes / Meropidae | LC |
| Black Bee-eater Merops gularis | Coraciiformes / Meropidae | LC |