Species - Checklist - EcoRegistros

Don't want to see ads? Sign up...

Checklist: BC Pajareritos Invierno 2024

Results 237 - Systematic list

Bc_pajareritos Agriornis

Shared by: Kenneth Roberts ( See their checklist)

Start: 15/07/2024
End: 21/07/2024

See list of records (511)

Loading map...

Summary of species by group

Group	Number of species
Birds	237

Richness and Abundance Summary

Most recorded species: Caracara plancus (7 records), Pitangus sulphuratus (7 records).

Least recorded species: There are many rarely recorded species (118 species). View details

Most abundant species: Larus dominicanus (674 individuals).

Least abundant species: There are many scarce species (54 species). View details

Order

Family

English Common Name

Spanish Common Name

Portuguese Common Name

Scientific Name

Observed

Photographed

Heard

Recorded vocal

Filmed

Average individuals per day

Sum of specimens

Records

Conservation status

Notes

1

1

2

2

NT

2

Spotted Nothura

Codorna-amarela

Nothura maculosa

1

1

1

LC

3

Red-winged Tinamou

Rhynchotus rufescens

1

1

1

LC

4

Tataupa Tinamou

Tataupá Común

Inhambu-chintã

Crypturellus tataupa

1

3

2

LC

5

Southern Screamer

Chauna torquata

1

4

2

LC

6

Black-bellied Whistling Duck

Sirirí Vientre Negro

Marreca-cabocla

Dendrocygna autumnalis

X

X

1

LC

7

Fulvous Whistling Duck

Sirirí Colorado

Marreca-caneleira

Dendrocygna bicolor

2

10

1

LC

8

Cairina moschata

1

1

1

LC

9

Lophonetta specularioides

4

25

3

LC

10

Marreca-ananaí

Amazonetta brasiliensis

1

4

2

LC

11

Flying Steamer Duck

Tachyeres patachonicus

1

4

2

LC

12

Bare-faced Curassow

Mutum-de-penacho

Crax fasciolata

2

12

2

VU

13

Chaco Chachalaca

Aracuã-do-pantanal

Ortalis canicollis

3

19

4

LC

14

1

5

2

LC

15

Smooth-billed Ani

2

10

3

LC

16

Common Squirrel Cuckoo

1

2

2

LC

17

Ruddy Ground Dove

Torcacita Colorada

Columbina talpacoti

1

2

1

LC

18

Torcacita Escamada

Columbina squammata

X

X

1

LC

19

Picui Ground Dove

Torcacita Común

Columbina picui

2

10

5

20

White-tipped Dove

Leptotila verreauxi

3

18

6

LC

21

Zenaida auriculata

1

5

2

LC

22

Picazuro Pigeon

Paloma Picazuró

Pomba-asa-branca

Patagioenas picazuro

2

14

6

LC

23

Spot-winged Pigeon

Paloma Manchada

Pomba-do-orvalho

Patagioenas maculosa

1

1

1

LC

24

Paloma Doméstica

Pombo-doméstico

2

10

2

LC

25

Aramus guarauna

1

1

1

LC

26

Giant Wood Rail

Aramides ypecaha

2

13

6

LC

27

Grey-cowled Wood Rail

Saracura-três-potes

Aramides cajaneus

1

3

1

LC

28

Grey-breasted Crake

Burrito Pecho Gris

Laterallus exilis

1

1

1

LC

29

Charadriiformes

Snowy Sheathbill

Paloma Antártica

Pomba-antártica

3

18

1

LC

30

Recurvirostridae

Black-necked Stilt

Pernilongo-de-costas-negras

Himantopus mexicanus

X

X

1

31

Rufous-chested Dotterel

Chorlito Pecho Canela

Batuíra-de-peito-tijolo

Zonibyx modestus

1

3

1

LC

32

Southern Lapwing

Vanellus chilensis

2

11

4

LC

33

Collared Plover

Chorlito de Collar

Batuíra-de-coleira

Anarhynchus collaris

1

1

1

LC

34

Becasina Común

Gallinago paraguaiae

1

1

1

LC

35

Solitary Sandpiper

Pitotoy Solitario

Maçarico-solitário

Tringa solitaria

1

1

1

LC

36

1

1

1

LC

37

Yellow-billed Tern

Gaviotín Chico Fluvial

Trinta-réis-anão

Sternula superciliaris

1

2

1

LC

38

Large-billed Tern

Trinta-réis-grande

Phaetusa simplex

3

16

2

LC

39

Gaivota-austral

Leucophaeus scoresbii

1

4

3

LC

40

Gaviota Cocinera

Larus dominicanus

97

674

4

LC

41

Procellariiformes

Southern Giant Petrel

Petrel Gigante Común

Macronectes giganteus

28

190

1

LC

42

Mycteria americana

1

3

1

LC

43

Jabiru mycteria

6

36

2

LC

44

Cigüeña Americana

Ciconia maguari

1

2

2

LC

45

Anhinga anhinga

1

1

1

LC

46

Phalacrocoracidae

Neotropic Cormorant

Nannopterum brasilianum

3

15

1

LC

47

Threskiornithidae

Theristicus caerulescens

1

2

1

LC

48

Buff-necked Ibis

Bandurria Boreal

Theristicus caudatus

2

8

2

LC

49

Mesembrinibis cayennensis

1

2

1

LC

50

Bare-faced Ibis

Cuervillo Cara Pelada

Phimosus infuscatus

8

51

2

LC

51

White-faced Ibis

Cuervillo de Cañada

2

8

1

LC

52

Roseate Spoonbill

Espátula Rosada

2

10

2

LC

53

Rufescent Tiger Heron

Tigrisoma lineatum

1

2

2

LC

54

Whistling Heron

Syrigma sibilatrix

2

10

3

LC

55

Garça-branca-pequena

1

3

1

LC

56

Black-crowned Night Heron

Socó-dorminhoco

Nycticorax nycticorax

1

1

1

LC

57

Garcita Azulada

Butorides striata

1

1

1

LC

58

Garça-branca-grande

1

7

3

LC

59

Western Cattle Egret

Garcita Bueyera

Garça-vaqueira

1

5

1

LC

60

1

3

2

LC

61

Caprimulgiformes

Scissor-tailed Nightjar

Atajacaminos Tijera

Bacurau-tesoura

Hydropsalis torquata

1

1

1

LC

62

Vencejo de Tormenta

Andorinhão-do-temporal

Chaetura meridionalis

1

4

1

LC

63

Blue-tufted Starthroat

Picaflor de Barbijo

Heliomaster furcifer

1

1

1

LC

64

Glittering-bellied Emerald

Picaflor Común

Besourinho-de-bico-vermelho

Chlorostilbon lucidus

1

5

3

LC

65

Gilded Sapphire

Picaflor Bronceado

Beija-flor-dourado

Hylocharis chrysura

1

3

2

LC

66

American Barn Owl

Lechuza de Campanario

1

1

1

LC

67

Lechucita Vizcachera

Coruja-buraqueira

Athene cunicularia

1

2

1

LC

68

Ferruginous Pygmy Owl

Glaucidium brasilianum

1

2

2

LC

69

Lechuzón Orejudo

Coruja-orelhuda

1

1

1

LC

70

Great Horned Owl

Bubo virginianus

1

3

2

LC

71

Tropical Screech Owl

Alilicucú Común

Corujinha-do-mato

Megascops choliba

1

1

1

LC

72

Jote Cabeza Negra

Coragyps atratus

2

8

3

LC

73

Jote Cabeza Colorada

Urubu-de-cabeça-vermelha

1

1

1

LC

74

Lesser Yellow-headed Vulture

Jote Cabeza Amarilla

Urubu-de-cabeça-amarela

Cathartes burrovianus

1

5

3

LC

75

Accipitriformes

Águila Pescadora

Águia-pescadora

Pandion haliaetus

1

1

1

LC

76

White-tailed Kite

Gavião-peneira

Elanus leucurus

1

1

1

LC

77

Esparvero Variado

Gavião-bombachinha-grande

1

1

1

LC

78

Long-winged Harrier

Gavilán Planeador

Gavião-do-banhado

1

1

1

LC

79

Gavilán Patas Largas

Gavião-pernilongo

Geranospiza caerulescens

1

2

1

LC

80

Black-collared Hawk

Aguilucho Pampa

Busarellus nigricollis

1

2

2

LC

81

Gavião-caramujeiro

Rostrhamus sociabilis

1

5

3

LC

82

Aguilucho Colorado

Buteogallus meridionalis

1

1

1

LC

83

Great Black Hawk

Buteogallus urubitinga

1

3

2

LC

84

Taguató Común

Gavião-carijó

Rupornis magnirostris

1

6

5

LC

85

White-tailed Hawk

Aguilucho Alas Largas

Gavião-de-rabo-branco

Geranoaetus albicaudatus

1

1

1

LC

86

Black-chested Buzzard-Eagle

Geranoaetus melanoleucus

1

1

1

LC

87

Surucuá Común

Surucuá-variado

Trogon surrucura

1

7

4

LC

88

Ringed Kingfisher

Martín Pescador Grande

Martim-pescador-grande

Megaceryle torquata

1

5

3

LC

89

Amazon Kingfisher

Martín Pescador Mediano

Martim-pescador-verde

Chloroceryle amazona

1

2

1

LC

90

Green Kingfisher

Martín Pescador Chico

Martim-pescador-pequeno

Chloroceryle americana

1

1

1

LC

91

Ramphastos toco

1

5

3

LC

92

White-barred Piculet

Carpinterito Común

Pica-pau-anão-barrado

Picumnus cirratus

1

6

4

LC

93

Pale-crested Woodpecker

Carpintero Copete Pajizo

Celeus lugubris

1

2

2

LC

94

Golden-green Woodpecker

Carpintero Dorado Común

Pica-pau-dourado-escuro

Piculus chrysochloros

1

1

1

LC

95

Green-barred Woodpecker

Carpintero Real Común

Pica-pau-verde-barrado

Colaptes melanochloros

1

1

2

LC

96

Carpintero Campestre

Pica-pau-do-campo

Colaptes campestris

1

6

3

LC

97

Cream-backed Woodpecker

Carpintero Lomo Blanco

Pica-pau-de-barriga-preta

Campephilus leucopogon

1

3

3

LC

98

Magellanic Woodpecker

Carpintero Gigante

Campephilus magellanicus

1

3

1

LC

99

White Woodpecker

Carpintero Blanco

Pica-pau-branco

Melanerpes candidus

X

X

1

LC

100

White-fronted Woodpecker

Carpintero del Cardón

Pica-pau-de-testa-branca

Melanerpes cactorum

1

2

1

LC

101

Checkered Woodpecker

Carpintero Bataraz Chico

Pica-pau-chorão

Veniliornis mixtus

1

5

4

LC

102

Little Woodpecker

Carpintero Oliva Chico

Picapauzinho-anão

Veniliornis passerinus

1

1

1

LC

103

Red-legged Seriema

Chuña Patas Rojas

Cariama cristata

1

2

2

LC

104

Laughing Falcon

Herpetotheres cachinnans

1

2

1

LC

105

Crested Caracara

Caracara plancus

7

48

7

LC

106

Yellow-headed Caracara

Daptrius chimachima

1

3

3

LC

107

Chimango Caracara

Daptrius chimango

21

141

5

LC

108

American Kestrel

Halconcito Colorado

Falco sparverius

X

X

1

LC

109

Aplomado Falcon

Halcón Plomizo

Falcão-de-coleira

Falco femoralis

1

1

1

LC

110

Cobalt-rumped Parrotlet

Forpus xanthopterygius

1

2

2

LC

111

Myiopsitta monachus

11

76

6

LC

112

Scaly-headed Parrot

Pionus maximiliani

2

8

3

LC

113

Turquoise-fronted Amazon

Papagaio-verdadeiro

Amazona aestiva

5

32

2

NT

114

Maroon-bellied Parakeet

Chiripepé Cabeza Verde

Tiriba-de-testa-vermelha

Pyrrhura frontalis

2

9

3

LC

115

Austral Parakeet

Enicognathus ferrugineus

1

5

1

LC

116

Nanday Parakeet

Periquito-de-cabeça-preta

Aratinga nenday

2

14

2

LC

117

Peach-fronted Parakeet

Calancate Frente Dorada

Eupsittula aurea

4

24

3

LC

118

Blue-crowned Parakeet

Calancate Común

Aratinga-de-testa-azul

Thectocercus acuticaudatus

1

3

1

LC

119

White-eyed Parakeet

Calancate Ala Roja

Periquitão-maracanã

Psittacara leucophthalmus

1

2

1

LC

120

White-tipped Plantcutter

Phytotoma rutila

1

1

1

LC

121

Green-backed Becard

Anambé Verdoso

Caneleiro-verde

Pachyramphus viridis

1

3

2

LC

122

Sepia-capped Flycatcher

Mosqueta Corona Parda

Leptopogon amaurocephalus

1

1

1

LC

123

Yellow-olive Flatbill

Picochato Grande

Bico-chato-de-orelha-preta

Tolmomyias sulphurescens

1

6

4

LC

124

Pearly-vented Tody-Tyrant

Mosqueta Ojo Dorado

Sebinho-de-olho-de-ouro

Hemitriccus margaritaceiventer

2

11

6

LC

125

Fulvous-crowned Scrub Tyrant

Euscarthmus meloryphus

1

1

1

LC

126

Alegrinho-do-chaco

Inezia inornata

1

2

1

LC

127

Southern Beardless Tyrannulet

Piojito Silbón

Camptostoma obsoletum

1

3

3

LC

128

Suiriri Flycatcher

Suirirí Común

Suiriri-cinzento

Suiriri suiriri

2

10

6

LC

129

White-crested Tyrannulet

Serpophaga subcristata

1

2

1

LC

130

Straneck´s Tyrannulet

Piojito Trinador

Alegrinho-trinador

Serpophaga griseicapilla

1

3

3

131

Tufted Tit-Tyrant

Cachudito Pico Negro

Anairetes parulus

1

2

1

LC

132

Rufous Casiornis

Burlisto Castaño

Casiornis rufus

1

2

1

LC

133

Short-crested Flycatcher

Burlisto Pico Negro

Maria-cavaleira

Myiarchus ferox

1

2

1

LC

134

Brown-crested Flycatcher

Burlisto Cola Castaña

Maria-cavaleira-de-rabo-enferrujado

Myiarchus tyrannulus

1

7

4

LC

135

Suiriri-cavaleiro

Machetornis rixosa

2

8

5

LC

136

Benteveo Común

Pitangus sulphuratus

3

17

7

LC

137

Bran-colored Flycatcher

Mosqueta Estriada

Myiophobus fasciatus

1

4

2

LC

138

Southern Scrub Flycatcher

Suirirí Pico Corto

Guaracava-modesta

Sublegatus modestus

1

1

1

LC

139

Black-backed Water Tyrant

Lavadeira-de-cara-branca

Fluvicola albiventer

1

1

1

LC

140

Vermilion Flycatcher

Pyrocephalus rubinus

1

2

1

LC

141

Strange-tailed Tyrant

Yetapá de Collar

Tesoura-do-campo

Alectrurus risora

1

2

1

VU

142

Euler´s Flycatcher

Lathrotriccus euleri

1

1

1

LC

143

Yellow-browed Tyrant

Suirirí Amarillo

Suiriri-pequeno

Satrapa icterophrys

1

1

1

LC

144

Spectacled Tyrant

Viuvinha-de-óculos

Hymenops perspicillatus

1

2

2

LC

145

1

3

1

LC

146

Fire-eyed Diucon

1

2

1

LC

147

Nengetus cinereus

1

3

2

LC

148

Great Antshrike

1

4

3

LC

149

Barred Antshrike

Thamnophilus doliatus

1

2

1

LC

150

Variable Antshrike

Thamnophilus caerulescens

1

5

4

LC

151

Olivaceous Woodcreeper

Sittasomus griseicapillus

1

7

3

LC

152

Planalto Woodcreeper

Trepador Oscuro

Arapaçu-grande

Dendrocolaptes platyrostris

1

2

1

LC

153

Great Rufous Woodcreeper

Trepador Gigante

Arapaçu-do-campo

Xiphocolaptes major

2

8

4

LC

154

Red-billed Scythebill

Picapalo Colorado

Arapaçu-beija-flor

Campylorhamphus trochilirostris

1

5

3

LC

155

Narrow-billed Woodcreeper

Chinchero Chico

Arapaçu-de-cerrado

Lepidocolaptes angustirostris

3

17

6

LC

156

White-throated Treerunner

Picolezna Patagónico

Pygarrhichas albogularis

1

2

2

LC

157

Furnarius rufus

3

20

6

LC

158

Thorn-tailed Rayadito

Aphrastura spinicauda

1

4

1

LC

159

Firewood-gatherer

Anumbius annumbi

1

5

2

LC

160

Lark-like Brushrunner

Corredor-crestudo

Coryphistera alaudina

2

11

2

LC

161

Little Thornbird

Tio-tio-pequeno

Phacellodomus sibilatrix

1

2

1

LC

162

Greater Thornbird

Espinero Grande

Phacellodomus ruber

2

12

5

LC

163

Sharp-billed Canastero

Canastero Coludo

Lenheiro-de-rabo-comprido

Asthenes pyrrholeuca

1

1

1

LC

164

Stripe-crowned Spinetail

Curutié Blanco

Cranioleuca pyrrhophia

1

1

1

LC

165

Chotoy Spinetail

Schoeniophylax phryganophilus

1

7

3

LC

166

Yellow-chinned Spinetail

Curutié Colorado

Certhiaxis cinnamomeus

1

2

1

LC

167

Pale-breasted Spinetail

Pijuí Cola Parda

Synallaxis albescens

1

3

2

LC

168

Sooty-fronted Spinetail

Pijuí Frente Gris

Synallaxis frontalis

1

4

3

LC

169

Rufous-browed Peppershrike

Cyclarhis gujanensis

1

6

4

LC

170

Gralha-do-pantanal

Cyanocorax cyanomelas

2

8

2

LC

171

Plush-crested Jay

Cyanocorax chrysops

1

7

3

LC

172

Black-capped Donacobius

Donacobius atricapilla

1

2

1

LC

173

White-rumped Swallow

Golondrina Ceja Blanca

Andorinha-de-sobre-branco

Tachycineta leucorrhoa

1

4

1

LC

174

Chilean Swallow

Golondrina Patagónica

Andorinha-chilena

Tachycineta leucopyga

1

7

1

LC

175

Grey-breasted Martin

Golondrina Doméstica

Andorinha-grande

Progne chalybea

1

2

1

LC

176

Southern Rough-winged Swallow

Golondrina Ribereña

Andorinha-serradora

Stelgidopteryx ruficollis

1

1

1

LC

177

Tawny-headed Swallow

Golondrina Cabeza Rojiza

Andorinha-morena

Alopochelidon fucata

1

3

1

LC

178

Masked Gnatcatcher

Balança-rabo-de-máscara

Polioptila dumicola

2

12

5

LC

179

Thrush-like Wren

Campylorhynchus turdinus

1

6

2

LC

180

Southern House Wren

Troglodytes musculus

2

9

6

LC

181

Chalk-browed Mockingbird

Calandria Grande

Sabiá-do-campo

Mimus saturninus

1

1

1

LC

182

White-banded Mockingbird

Calhandra-de-três-rabos

1

1

1

LC

183

Zorzal Patagónico

Turdus falcklandii

1

1

1

LC

184

Creamy-bellied Thrush

Zorzal Chalchalero

Turdus amaurochalinus

1

7

5

LC

185

Pale-breasted Thrush

Sabiá-barranco

Turdus leucomelas

2

9

2

LC

186

Rufous-bellied Thrush

Zorzal Colorado

Sabiá-laranjeira

Turdus rufiventris

3

17

6

LC

187

Gorrión Común

Passer domesticus

5

34

5

188

Yellowish Pipit

Caminheiro-zumbidor

1

2

1

LC

189

Purple-throated Euphonia

Tangará Común

Euphonia chlorotica

1

6

3

LC

190

Cabecitanegra Común

Spinus magellanicus

1

2

2

LC

191

Black-chinned Siskin

Cabecitanegra Austral

Spinus barbatus

3

15

1

LC

192

Grassland Sparrow

Cachilo Ceja Amarilla

Tico-tico-do-campo

Ammodramus humeralis

1

1

1

LC

193

Saffron-billed Sparrow

Cerquero de Collar Litoraleño

Tico-tico-de-bico-amarelo

Arremon flavirostris

1

1

1

LC

194

Rufous-collared Sparrow

Zonotrichia capensis

2

13

6

LC

195

White-browed Meadowlark

Polícia-inglesa-do-sul

Leistes superciliaris

1

1

1

LC

196

Long-tailed Meadowlark

1

1

1

LC

197

Crested Oropendola

Psarocolius decumanus

1

3

1

LC

198

Solitary Cacique

Cacicus solitarius

1

3

2

LC

199

Golden-winged Cacique

Boyero Ala Amarilla

Cacicus chrysopterus

2

13

4

LC

200

Variable Oriole

Icterus pyrrhopterus

1

7

3

LC

201

Screaming Cowbird

Tordo Pico Corto

Vira-bosta-picumã

Molothrus rufoaxillaris

1

2

1

LC

202

Tordo Renegrido

Molothrus bonariensis

3

17

4

LC

203

Scarlet-headed Blackbird

Cardeal-do-banhado

Amblyramphus holosericeus

1

2

1

LC

204

Austral Blackbird

Tordo Patagónico

Curaeus curaeus

1

5

2

LC

205

Chopi Blackbird

Gnorimopsar chopi

X

X

1

LC

206

Unicolored Blackbird

Varillero Negro

Agelasticus cyanopus

2

8

3

LC

207

Greyish Baywing

Agelaioides badius

1

7

1

LC

208

Chestnut-capped Blackbird

Varillero Congo

Chrysomus ruficapillus

1

2

1

LC

209

Southern Yellowthroat

Arañero Cara Negra

Geothlypis velata

1

3

2

LC

210

Tropical Parula

Setophaga pitiayumi

1

5

5

211

White-rimmed Warbler

Arañero Silbón

Pula-pula-assobiador

Myiothlypis leucoblephara

1

1

1

LC

212

Golden-crowned Warbler

Arañero Coronado Chico

Basileuterus culicivorus

2

9

3

LC

213

Glaucous-blue Grosbeak

Reinamora Chica

Cyanoloxia glaucocaerulea

1

1

1

LC

214

Ultramarine Grosbeak

Reinamora Grande

Azulao-verdadeiro

Cyanoloxia brissonii

1

1

1

LC

215

Hepatic Tanager

Fueguero Común

Sanhaçu-de-fogo

1

2

1

LC

216

Frutero Cabeza Negra

Saíra-de-chapéu-preto

Nemosia pileata

1

5

1

LC

217

Blue-black Grassquit

Volatinia jacarina

1

3

1

LC

218

Red Pileated Finch

Brasita de Fuego

Tico-tico-rei-vermelho

Coryphospingus cucullatus

1

6

4

LC

219

White-lined Tanager

Tachyphonus rufus

1

6

2

LC

220

Chestnut-vented Conebill

Figuinha-de-rabo-castanho

Conirostrum speciosum

3

15

4

LC

221

Patagonian Sierra Finch

Comesebo Patagónico

Phrygilus patagonicus

1

2

2

LC

222

Jilguero Dorado

Canário-da-terra-verdadeiro

Sicalis flaveola

2

11

4

LC

223

Wedge-tailed Grass Finch

Canário-do-campo

Emberizoides herbicola

1

2

1

LC

224

Sabiá-do-banhado

Embernagra platensis

1

5

1

LC

225

Black-capped Warbling Finch

Monterita Cabeza Negra

Microspingus melanoleucus

1

6

3

LC

226

Yellow-billed Cardinal

Paroaria capitata

2

14

3

LC

227

Red-crested Cardinal

Cardenal Común

Paroaria coronata

2

10

5

LC

228

Blue-and-yellow Tanager

Sanhaçu-papa-laranja

Rauenia bonariensis

1

2

1

LC

229

Golden-billed Saltator

Pepitero de Collar

Saltator aurantiirostris

1

1

1

LC

230

Bluish-grey Saltator

Saltator coerulescens

2

14

6

LC

231

Green-winged Saltator

Pepitero Verdoso

Trinca-ferro-verdadeiro

Saltator similis

1

1

1

LC

232

Grassland Yellow Finch

Sicalis luteola

1

4

1

LC

233

Double-collared Seedeater

Corbatita Común

Sporophila caerulescens

1

4

3

LC

234

Tawny-bellied Seedeater

Capuchino Canela

Caboclinho-de-barriga-vermelha

Sporophila hypoxantha

1

2

1

LC

235

White-bellied Seedeater

Corbatita Blanco

Sporophila leucoptera

1

1

1

LC

236

Orange-headed Tanager

Thlypopsis sordida

1

6

1

LC

237

Celestino Común

Sanhaço-cinzento

Thraupis sayaca

2

9

5

LC