- Recurvirostra avosetta (Pied Avocet)
- Recurvirostra novaehollandiae (Red-necked Avocet)
- Rhinoptilus bitorquatus (Jerdon’s Courser)
- Rhinoptilus chalcopterus (Bronze-winged Courser)
- Rhinoptilus cinctus (Three-banded Courser)
- Rhinoptilus cinctus cinctus
- Rhinoptilus cinctus emini
- Rhinoptilus cinctus seebohmi
- Rhodostethia rosea (Ross’s Gull)
- Rissa brevirostris (Red-legged Kittiwake)
- Rissa tridactyla (Black-legged Kittiwake)
- Rissa tridactyla pollicaris (Black-legged Kittiwake (Pacific))
- Rissa tridactyla tridactyla (Black-legged Kittiwake (Atlantic))
- Rostratula australis (Australian Painted-snipe)
- Rostratula benghalensis (Greater Painted-snipe)
- Rynchops albicollis (Indian Skimmer)
- Rynchops flavirostris (African Skimmer)
- Rynchops niger (Black Skimmer)
- Rynchops niger cinerascens (Black Skimmer (cinerascens))
- Rynchops niger intercedens (Black Skimmer (intercedens))
- Rynchops niger niger (Black Skimmer (Northern))
- Saundersilarus saundersi (Saunders’s Gull)
- Scolopax bukidnonensis (Bukidnon Woodcock)
- Scolopax celebensis (Sulawesi Woodcock)
- Scolopax minor (American Woodcock)
- Scolopax mira (Amami Woodcock)
- Scolopax rochussenii (Moluccan Woodcock)
- Scolopax rusticola (Eurasian Woodcock)
- Scolopax saturata (Dusky Woodcock)
- Scolopax saturata rosenbergii
- Scolopax saturata saturata
- Smutsornis africanus (Double-banded Courser)
- Smutsornis africanus africanus
- Smutsornis africanus gracilis
- Smutsornis africanus granti
- Smutsornis africanus sharpei
- Stercorarius antarcticus (Brown Skua)
- Stercorarius antarcticus antarcticus (Brown Skua (Southern))
- Stercorarius antarcticus hamiltoni (Brown Skua (hamiltoni))
- Stercorarius antarcticus lonnbergi (Brown Skua (Brown))
- Stercorarius chilensis (Chilean Skua)
- Stercorarius longicaudus (Long-tailed Jaeger)
- Stercorarius longicaudus longicaudus
- Stercorarius longicaudus pallescens
- Stercorarius maccormicki (South Polar Skua)
- Stercorarius parasiticus (Parasitic Jaeger)
- Stercorarius pomarinus (Pomarine Jaeger)
- Stercorarius skua (Great Skua)
- Sterna acuticauda (Black-bellied Tern)
- Sterna aurantia (River Tern)
- Sterna dougallii (Roseate Tern)
- Sterna dougallii arideensis
- Sterna dougallii bangsi
- Sterna dougallii dougallii
- Sterna dougallii gracilis
- Sterna dougallii korustes
- Sterna forsteri (Forster’s Tern)
- Sterna hirundinacea (South American Tern)
- Sterna hirundo (Common Tern)
- Sterna hirundo hirundo (Common Tern (Common))
- Sterna hirundo longipennis (Common Tern (Siberian))
- Sterna hirundo minussensis
- Sterna hirundo tibetana
- Sterna paradisaea (Arctic Tern)
- Sterna repressa (White-cheeked Tern)
- Sterna striata (White-fronted Tern)
- Sterna striata incerta
- Sterna striata striata
- Sterna sumatrana (Black-naped Tern)
- Sterna sumatrana mathewsi
- Sterna sumatrana sumatrana
- Sterna trudeaui (Snowy-crowned Tern)
- Sterna virgata (Kerguelen Tern)
- Sterna vittata (Antarctic Tern)
- Sterna vittata bethunei
- Sterna vittata gaini
- Sterna vittata georgiae
- Sterna vittata macquariensis
- Sterna vittata tristanensis
- Sterna vittata vittata
- Sternula albifrons (Little Tern)
- Sternula albifrons albifrons
- Sternula albifrons guineae
- Sternula albifrons placens
- Sternula albifrons pusilla
- Sternula albifrons sinensis
- Sternula antillarum (Least Tern)
- Sternula antillarum antillarum (Least Tern (Atlantic))
- Sternula antillarum athalassos (Least Tern (Interior))
- Sternula antillarum browni (Least Tern (California))
- Sternula balaenarum (Damara Tern)
- Sternula lorata (Peruvian Tern)
- Sternula nereis (Fairy Tern)
- Sternula nereis exsul
- Sternula nereis nereis
- Sternula saundersi (Saunders’s Tern)
- Sternula superciliaris (Yellow-billed Tern)
- Stiltia isabella (Australian Pratincole)
- Synthliboramphus antiquus (Ancient Murrelet)
- Synthliboramphus antiquus antiquus
- Synthliboramphus antiquus microrhynchos
- Synthliboramphus craveri (Craveri’s Murrelet)
- Synthliboramphus hypoleucus (Xantus’s Murrelet)
- Synthliboramphus hypoleucus hypoleucus (Xantus’s Murrelet (hypoleucus))
- Synthliboramphus hypoleucus scrippsi (Xantus’s Murrelet (scrippsi))
- Synthliboramphus wumizusume (Japanese Murrelet)
- Thalasseus bengalensis (Lesser Crested Tern)
- Thalasseus bengalensis bengalensis
- Thalasseus bengalensis torresii
- Thalasseus bergii (Great Crested Tern)
- Thalasseus bergii bergii
- Thalasseus bergii cristatus
- Thalasseus bergii thalassinus
- Thalasseus bergii velox
- Thalasseus bernsteini (Chinese Crested Tern)
- Thalasseus elegans (Elegant Tern)
- Thalasseus maximus (Royal Tern)
- Thalasseus maximus albididorsalis
- Thalasseus maximus maximus
- Thalasseus sandvicensis (Sandwich Tern)
- Thalasseus sandvicensis acuflavidus (Sandwich Tern (acuflavidus))
- Thalasseus sandvicensis sandvicensis
- Thinocorus orbignyianus (Gray-breasted Seedsnipe)
- Thinocorus orbignyianus ingae
- Thinocorus orbignyianus orbignyianus
- Thinocorus rumicivorus (Least Seedsnipe)
- Thinocorus rumicivorus bolivianus
- Thinocorus rumicivorus cuneicauda
- Thinocorus rumicivorus pallidus
- Thinocorus rumicivorus rumicivorus
- Thinornis cucullatus (Hooded Plover)
- Thinornis novaeseelandiae (Shore Plover)
- Tringa brevipes (Gray-tailed Tattler)
- Tringa erythropus (Spotted Redshank)
- Tringa flavipes (Lesser Yellowlegs)
- Tringa glareola (Wood Sandpiper)
- Tringa guttifer (Nordmann’s Greenshank)
- Tringa incana (Wandering Tattler)
- Tringa melanoleuca (Greater Yellowlegs)
- Tringa nebularia (Common Greenshank)
- Tringa ochropus (Green Sandpiper)
- Tringa semipalmata (Willet)
- Tringa semipalmata inornata (Willet (Western))
- Tringa semipalmata semipalmata (Willet (Eastern))
- Tringa solitaria (Solitary Sandpiper)
- Tringa solitaria cinnamomea (Solitary Sandpiper (Western))
- Tringa solitaria solitaria (Solitary Sandpiper (Eastern))
- Tringa stagnatilis (Marsh Sandpiper)
- Tringa totanus (Common Redshank)
- Tringa totanus craggi
- Tringa totanus eurhinus
- Tringa totanus robusta
- Tringa totanus terrignotae
- Tringa totanus totanus
- Tringa totanus ussuriensis
- Tryngites subruficollis (Buff-breasted Sandpiper)
- Uria aalge (Common Murre)
- Uria aalge aalge
- Uria aalge albionis
- Uria aalge californica
- Uria aalge hyperborea
- Uria aalge inornata
- Uria lomvia (Thick-billed Murre)
- Uria lomvia arra
- Uria lomvia eleonorae
- Uria lomvia lomvia
- Vanellus albiceps (White-headed Lapwing)
- Vanellus armatus (Blacksmith Plover)
- Vanellus cayanus (Pied Lapwing)
- Vanellus chilensis (Southern Lapwing)
- Vanellus chilensis cayennensis (Southern Lapwing (Northern))
- Vanellus chilensis chilensis
- Vanellus chilensis chilensis/fretensis (Southern Lapwing (Southern South America))
- Vanellus chilensis fretensis
- Vanellus chilensis lampronotus (Southern Lapwing (Central South America))
- Vanellus cinereus (Gray-headed Lapwing)
- Vanellus coronatus (Crowned Lapwing)
- Vanellus coronatus coronatus
- Vanellus coronatus demissus
- Vanellus crassirostris (Long-toed Lapwing)
- Vanellus crassirostris crassirostris
- Vanellus crassirostris leucopterus
- Vanellus duvaucelii (River Lapwing)
- Vanellus gregarius (Sociable Lapwing)
- Vanellus indicus (Red-wattled Lapwing)
- Vanellus indicus aigneri
- Vanellus indicus atronuchalis
- Vanellus indicus indicus
- Vanellus indicus lankae
- Vanellus leucurus (White-tailed Lapwing)
- Vanellus lugubris (Senegal Lapwing)
- Vanellus macropterus (Sunda Lapwing)
- Vanellus malabaricus (Yellow-wattled Lapwing)
- Vanellus melanocephalus (Spot-breasted Lapwing)
- Vanellus melanopterus (Black-winged Lapwing)
- Vanellus melanopterus melanopterus
- Vanellus melanopterus minor
- Vanellus miles (Masked Lapwing)
- Vanellus miles miles
- Vanellus miles novaehollandiae
- Vanellus resplendens (Andean Lapwing)
- Vanellus senegallus (Wattled Lapwing)
- Vanellus senegallus lateralis
- Vanellus senegallus major
- Vanellus senegallus senegallus
- Vanellus spinosus (Spur-winged Plover)
- Vanellus superciliosus (Brown-chested Lapwing)
- Vanellus tectus (Black-headed Lapwing)
- Vanellus tectus latifrons
- Vanellus tectus tectus
- Vanellus tricolor (Banded Lapwing)
- Vanellus vanellus (Northern Lapwing)
- Xema sabini (Sabine’s Gull)
- Xema sabini sabini
- Xema sabini tschuktschorum
- Xema sabini woznesenskii
- Xenus cinereus (Terek Sandpiper)