- STERNA MAXIMA
- Sabah Pitta
- Sabal Palm Audubon Center
- Sabal Palm Audubon Center & Sanctuary
- Sabal Palm Audubon Center temp moved
- Sabine's Gull
- Sabine's Puffback
- Sabine's Spinetail
- Sabine's spine-tailed Swift
- Sabota Lark
- Sacramento National Wildlife Refuge
- Sacred Ibis
- Sacred Kingfisher
- Sad Flycatcher
- Saddle-billed Stork
- Saddle Road powerline service roads, Hawai'i(East half (Hilo side) of the Saddle Road,)
- Saddle Road powerline service roads, Hawai'i (east half, Hilo side, of the Saddle Road)
- Saddleback
- Sado Estuary
- Sado Estuary Portugal
- Saffron-billed Sparrow
- Saffron-breasted Prinia
- Saffron-breasted Redstart
- Saffron-breasted Whitestart
- Saffron-cowled Blackbird
- Saffron-crested Tyrant-Manakin
- Saffron-crested Tyrant Manakin
- Saffron-crowned Tanager
- Saffron-headed Parrot
- Saffron Finch
- Saffron Siskin
- Saffron Toucanet
- Saffron Yellow-Finch
- Sagaramatha National Park
- Sage-Grouse
- Sage-grouse
- Sage Grouse
- Sage Sparrow
- Sage Thrasher
- Sagebrush Sparrow
- Sagittariidae
- Sagittarius serpentarius
- Sahel Paradise Whydah
- Sahelian Woodpecker
- Saint-Paul Island
- Saint Kitts
- Saint Lucia
- Saint Paul, MN(Hidden Falls Park and Crosby Farms Park)
- Saint Vincent
- Saint Vincent and the Grenadines
- Saipan Reed-Warbler
- Saipan Reed Warbler
- Saka
- Sakalava Fody
- Sakalava Rail
- Sakalava Weaver
- Saker Falcon
- Sakesphorus
- Sakesphorus bernardi
- Sakesphorus canadensis
- Sakesphorus canadensis fumosus
- Sakesphorus canadensis intermedius
- Sakesphorus canadensis loretoyacuensis
- Sakesphorus cristatus
- Sakesphorus luctuosus
- Sakesphorus melanonotus
- Sakesphorus melanothorax
- Sakhalin Grasshopper-Warbler
- Sakhalin Grasshopper Warbler
- Sakhalin Leaf-Warbler
- Sakhalin Leaf Warbler
- Sakhalin Warbler
- Salim Ali's Swift
- Salim Ali Bird Sanctuary
- Salinas Monjita
- Salinas de Levante
- Salinas de Levante Mallorca, Balearic Islands, Spain
- Salinas de Montgofre
- Salmon-crested Cockatoo
- Salpinctes
- Salpinctes obsoletus
- Salpornis salvadori
- Salpornis spilonota
- Salpornis spilonotus
- Saltator
- Saltator albicollis
- Saltator atriceps
- Saltator atricollis
- Saltator atripennis
- Saltator aurantiirostris
- Saltator cinctus
- Saltator coerulescens
- Saltator fuliginosus
- Saltator grossus
- Saltator maxillosus
- Saltator maximus
- Saltator maximus intermedius
- Saltator nigriceps
- Saltator orenocensis
- Saltator rufiventris
- Saltator similis
- Saltator striatipectus
- Saltatricula
- Saltatricula atricollis
- Saltatricula multicolor
- Saltbush Canary
- Saltee Islands
- Saltee Islands Ireland
- Saltholme
- Salthouse
- Salthouse, north Norfolk coast
- Saltmarsh Sharp-tailed Sparrow
- Saltmarsh Sparrow
- Salvadori's Antwren
- Salvadori's Crimson-wing
- Salvadori's Crimsonwing
- Salvadori's Eremomela
- Salvadori's Fig-Parrot
- Salvadori's Fig Parrot
- Salvadori's Nightjar
- Salvadori's Owlet Nightjar
- Salvadori's Pheasant
- Salvadori's Scimitar-Babbler
- Salvadori's Scimitar Babbler
- Salvadori's Seedeater
- Salvadori's Serin
- Salvadori's Teal
- Salvadori's Weaver
- Salvadorina
- Salvadorina waigiuensis
- Salvin's Albatross
- Salvin's Curassow
- Salvin's Emerald
- Salvin's Mollymawk
- Salvin's Prion
- Salvin's Silky-flycatcher
- Salvins mollymawk
- Samar Broadbill
- Samar Hornbill
- Samar Tarictic Hornbill
- Samaria Gorge National Park (Crete)
- Samaria Gorge National Park Crete, Greece
- Samoa
- Samoan Fantail
- Samoan Flycatcher
- Samoan Moorhen
- Samoan Myiagra
- Samoan Myzomela
- Samoan Starling
- Samoan Triller
- Samoan Whistler
- Samoan White-eye
- San Andres
- San Andres Vireo
- San Benito Sparrow
- San Bernard NWR
- San Bernard NWR(Texas Gulf Coast)
- San Bernard National Wildlife Refuge
- San Blas Jay
- San Cristobal Cicadabird
- San Cristobal Cuckoo-shrike
- San Cristobal Cuckooshrike
- San Cristobal Flowerpecker
- San Cristobal Flycatcher
- San Cristobal Honeyeater
- San Cristobal Leaf-Warbler
- San Cristobal Leaf Warbler
- San Cristobal Melidectes
- San Cristobal Midget Flowerpecker
- San Cristobal Mockingbird
- San Cristobal Moorhen
- San Cristobal Myiagra Flycatcher
- San Cristobal Starling
- San Cristobal Thrush
- San Giuliano Reserve
- San Giuliano Reserve Italy
- San Isidro Owl
- San Joaquin Wildlife Sanctuary
- San Luis Potosí
- San Pedro Riparian National Conservation Area
- San Pedro River(San Pedro River, SE Arizona)
- San Pedro River (Arizona)
- San Pedro Salt Lakes
- San Pedro Volcano Municipal Park
- San Pedro Volcano Municipal Park(Sololá)
- San Pietro Island
- San Pietro Island Italy
- San Vito Peninsula
- San Vito Peninsula (Sicily)
- San Vito Peninsula Sicily, Italy
- Sand-colored Nighthawk
- Sand-coloured Nighthawk
- Sand Lark
- Sand Martin
- Sand Partridge
- Sanderling
- Sandhill Crane
- Sandhill Grasswren
- Sandstone Shrike-Thrush
- Sandstone Shrike-thrush
- Sandstone Shrike Thrush
- Sandstone Shrikethrush
- Sandstone Thrush
- Sandwell Valley
- Sandwich Tern
- Sandy Camp Road Wetlands
- Sandy Gallito
- Sandy Hook Bird Observatory
- Sandy Ridge Reservation
- Sandy Ridge nature center(North Ridgeville)
- Sandy Scops-Owl
- Sandy Scops Owl
- Sanford's Bowerbird
- Sanford's Fish Eagle
- Sanford's Sea Eagle
- Sanford's White-eye
- Sanford's fish-eagle
- Sanford's sea-eagle
- Sangha Forest Robin
- Sangihe Golden-Bulbul
- Sangihe Golden Bulbul
- Sangihe Hanging-Parrot
- Sangihe Hanging Parrot
- Sangihe Pitta
- Sangihe Scops-Owl
- Sangihe Scops Owl
- Sangihe Shrike-thrush
- Sangihe Shrike Thrush
- Sangihe Shrikethrush
- Sangihe Whistler
- Sangihe White-eye
- Sangir Whistler
- Sangkar White-eye
- Santa Ana Honeyeater
- Santa Ana Myzomela
- Santa Ana NWR
- Santa Ana National Wildlife Refuge
- Santa Barbara
- Santa Barbara, CA(Santa Barbara, CA)
- Santa Barbara Screech-Owl
- Santa Barbara Screech Owl
- Santa Cruz Ground-Dove
- Santa Cruz Ground Dove
- Santa Cruz Island
- Santa Cruz Jay
- Santa Cruz Shrikebill
- Santa Cruz White-eye
- Santa Katharina Monastery
- Santa Katharina Monastery Egypt
- Santa Marta Antbird
- Santa Marta Antpitta
- Santa Marta Blossomcrown
- Santa Marta Brush-Finch
- Santa Marta Brush Finch
- Santa Marta Brushfinch
- Santa Marta Bush-Tyrant
- Santa Marta Bush Tyrant
- Santa Marta Emerald Toucanet
- Santa Marta Foliage-gleaner
- Santa Marta Mountain-Tanager
- Santa Marta Mountain Tanager
- Santa Marta Parakeet
- Santa Marta Sabrewing
- Santa Marta Screech Owl
- Santa Marta Tapaculo
- Santa Marta Toucanet
- Santa Marta Warbler
- Santa Marta Wood-Wren
- Santa Marta Wood Wren
- Santa Marta Woodstar
- Santa Marta Wren
- Santa Pola
- Santa Pola Salinas
- Santa Pola Spain
- Santarem Antbird
- Santarem Parakeet
- Santee Lakes
- Santee Lakes(San Diego)
- Santo Andre Lagoon
- Santo Andre Lagoon Portugal
- Santo Starling
- Sao Francisco Black Tyrant
- Sao Francisco Sparrow
- Sao Francisco de Paula - Veraneio Hampel
- Sao Paulo Tyrannulet
- Sao Tome
- Sao Tome Bronze-naped Pigeon
- Sao Tome Canary
- Sao Tome Fiscal
- Sao Tome Green-Pigeon
- Sao Tome Green Pigeon
- Sao Tome Grosbeak
- Sao Tome Grosbeak Weaver
- Sao Tome Ibis
- Sao Tome Kingfisher
- Sao Tome Olive Pigeon
- Sao Tome Oriole
- Sao Tome Paradise-Flycatcher
- Sao Tome Paradise Flycatcher
- Sao Tome Pigeon
- Sao Tome Prinia
- Sao Tome Scops-Owl
- Sao Tome Scops Owl
- Sao Tome Short-tail
- Sao Tome Shorttail
- Sao Tome Spine-tailed Swift
- Sao Tome Spinetail
- Sao Tome Sunbird
- Sao Tome Thrush
- Sao Tome Weaver
- Sao Tome White-eye
- Sao Tome and Principe
- Sao Tomé
- Sapayaoidae
- Sapayoa
- Sapayoa aenigma
- Sapeliga
- Sapelinga
- Sapheopipo
- Sapheopipo noguchii
- Sapphire-bellied Hummingbird
- Sapphire-rumped Parrotlet
- Sapphire-spangled Emerald
- Sapphire-throated Hummingbird
- Sapphire-vented Puffleg
- Sapphire Flycatcher
- Sapphire Quail-Dove
- Sapphire Quail Dove
- Sapphire Vented Puffleg
- Sappho
- Sappho sparganura
- Sappho sparganurus
- Sapsucker
- Saracura Wood-Rail
- Saracura Wood Rail
- Sarasin's Myza
- Sarcogyps
- Sarcogyps calvus
- Sarcophanops
- Sarcophanops samarensis
- Sarcophanops steerii
- Sarcops
- Sarcops calvus
- Sarcops calvus calvus
- Sarcoramphus


