Crows and Ravens are in the order Passeriformes, family Corvidae, and genus Corvus. The genus Corvus has a large number of species as shown below. More information is available from Wikipedia by clicking on the common name. However, to get back you have to click the Creeper folder and then the Crows/Ravens folder. The species with photos are highlighted in red.

Corvus alberculos - White-necked Raven or Cape Raven (Southern, central and eastern Africa)
Corvus albus - Pied Crow (Central African coasts to southern Africa)
Corvus bennetti - Little Crow (Australia)
Corvus brachyrhynchos - American Crow (United States, Canada, northern Mexico)
Corvus capensis - Cape Crow or Black Crow (Eastern and southern Africa)
Corvus caurinus - Northwestern Crow (Olympic peninsula to southwest Alaska)
Corvus corax - Common Raven or Northern Raven (Europe, Asia, and North America)
Corvus corone - Carrion Crow or Eurasian Crow (British Isles to Germany, eastern Asia)
Corvus cornix Hooded Crow Eurasian
Corvus coronoides - Australian Raven (Eastern and southern Australia)
Corvus crassirostris - Thick-billed Raven (Ethiopia)
Corvus cryptoleucus - Chihuahuan Raven (Southwestern U.S.)
Corvus dauuricus - Daurian Jackdaw (Eastern Europe to eastern Japan)
Corvus enca - Slender-billed Crow (Malaysia, Borneo, Indonesia)
Corvus florensis - Flores Crow (Flores Island)
Corvus frugilegus - Rook (Europe, Asia, New Zealand)
Corvus fuscicapillus - Brown-headed Crow (New Guinea)
Corvus hawaiiensis (formerly C. tropicus) - ʻAlalā or Hawaiian Crow
Corvus imparatus - Tamaulipas Crow (Gulf of Mexico coast from Nuevo)
Corvus jamaicensis - Jamaican Crow (Jamaica)
Corvus kubaryi - Mariana Crow or Aga (Guam, Rota)
Corvus leucognaphalus - White-necked Crow (Haiti, Dominican Republic)
Corvus macrorhynchos - Large-billed Crow (Eastern Asia, Himalayas)
Corvus meeki - Bougainville Crow or Soloman Islands Crow (Soloman Islands)[5]
Corvus mellori - Little Raven (Southeastern Australia)
Corvus monedula - Jackdaw (British Isles and western Europe)
Corvus moneduloides - New Caledonian Crow (New Caledonia)
Corvus nasicus - Cuban Crow (Cuba, Isla de la Juventud, Grand Caicos)
Corvus orru - Torresian Crow or Australian Crow (Australia, New Guinea)
Corvus ossifragus - Fish Crow (Eastern U.S. coast, southeastern U.S.)
Corvus palmarum - Palm Crow (Cuba, Haiti, Dominican Republic)
Corvus rhipidurus - Fan-tailed Raven (Northeast Africa, Middle East)
Corvus ruficolis - Brown-necked Raven or Desert Raven (Northern Africa)
Corvus (ruficolis) edithae - Somali Crow or Dwarf Raven (Northeast Africa)
Corvus sinaloae - Sinaloan Crow (Pacific coast from Sonora to Colima)
Corvus splendens - House Crow (Indian subcontinent, east Africa)
Corvus tasmanicus - Forest Raven or Tasmanian Raven (Tasmania)
Corvus (tasmanicus) boreus - Relict Raven (New South Wales)
Corvus torquatus - Collared Crow (Eastern China, south into Vietnam)
Corvus tristis - Grey Crow or Bare-faced Crow (New Guinea)
Corvus typicus - Piping Crow or Celebes Pied Crow (Sulawesi, Muna)
Corvus unicolor - Banggai Crow (Banggai Island) - possibly extinct
Corvus validus - Long-billed Crow (Northern Moluccas)
Corvus woodfordi - White-billed Crow (Southern Soloman Islands)

Pyrrocorax graculus Alpine Chough