merganser (A) Red-breasted merganser (), Mergus serrator Ruddy duck (), Oxyura jamaicensis (A) Pheasants, grouse, and allies Order: GalliformesFamily: Phasianidae Phasianidae consists of the pheasants and their allies. These are terrestrial species, variable in size but generally plump with broad relatively short wings. Many species are gamebirds or have been domesticated as a food source for humans. Ruffed grouse (), Bonasa umbellus (I) Grebes Order: PodicipediformesFamily: Podicipedidae Grebes are small to medium-large freshwater diving birds. They have lobed toes and are excellent swimmers and divers. However, they have their feet placed far back on the body, making them quite ungainly on land. Pied-billed grebe (), Podilymbus podiceps (A) Horned grebe (), Podiceps auritus (A) Red-necked grebe (), Podiceps grisegena Eared grebe (), Podiceps nigricollis (A) Pigeons and doves Order: ColumbiformesFamily: Columbidae Pigeons and doves are stout-bodied birds with short necks and short slender bills with a fleshy cere. They feed on seeds, fruit and plants. Unlike most other birds, the doves and pigeons produce "crop milk," which is secreted by a sloughing of fluid-filled cells from the lining of the crop. Both sexes produce this highly nutritious substance to feed to the young. Rock pigeon (), Columba livia (I) Eurasian collared-dove (), Streptopelia decaocto (I) (A) White-winged dove (), Zenaida asiatica (A) Mourning dove (), Zenaida macroura Cuckoos Order: CuculiformesFamily: Cuculidae The family Cuculidae includes cuckoos, roadrunners, and anis. These birds are of variable size with slender bodies, long tails, and strong legs. Yellow-billed cuckoo (), Coccyzus americanus (A) Black-billed cuckoo (), Coccyzus erythropthalmus (A) Nightjars and allies Order: CaprimulgiformesFamily: Caprimulgidae Nightjars are medium-sized nocturnal birds that usually nest on the ground. They have long wings, short legs, and very short bills. Most have small feet, of little use for walking, and long pointed wings. Their soft plumage is cryptically coloured to resemble bark or leaves. Common nighthawk (), Chordeiles minor (A) Chuck-will's-widow (), Antrostomus carolinensis (A) Eastern whip-poor-will (), Antrostomus vociferus (A) Swifts Order: ApodiformesFamily: Apodidae The swifts are small birds which spend the majority of their lives flying. These birds have very short legs and never settle voluntarily on the ground, perching instead only on vertical surfaces. Many swifts have long swept-back wings which resemble a crescent or boomerang. Chimney swift (), Chaetura pelagica Common swift (), Apus apus (A) Hummingbirds Order: ApodiformesFamily: Trochilidae Hummingbirds are small birds capable of hovering in mid-air due to the rapid flapping