Scientific names follow Stotz et al. (1996); English names follow Ridgely and Tudor (1989, 1994) and Hilty and Brown (1986).

Each species' name is followed by a code indicating its relative frequency:

There is also a brief note about where the species occurred or other features of its biology.

For further information on the birds of Loreto, please consult the following:

ACKNOWLEDGMENTS

Explorama Tours provided efficient logistical support for our work, and their staff provided assistance and advice in innumerable ways.

BIRDS OF THE RIO SUCUSARI

1	Great Tinamou  (Tinamus major)  --  u
		scattered, calling in evening

2	Gray Tinamou  (Tinamus tao)  --  r
		once

3	Cinereous Tinamou  (Crypturellus cinereus)  --  c
		scattered, calling during day

4	Little Tinamou  (Crypturellus soui)  --  u
		scattered

5	Variegated Tinamou  (Crypturellus variegatus)  --  c
		frequently heard, mostly in evening

6	Greater Yellow-headed Vulture  (Cathartes melambrotus)  --  c
		always a few soaring over canopy

7	Gray-headed Kite  (Leptodon cayanensis)  --  u
		in emergent

8	Swallow-tailed Kite  (Elanoides forficatus)  --  u
		above forest

9	Double-toothed Kite  (Harpagus bidentatus)  --  u
		in forest

10	Plumbeous Kite  (Ictinia plumbea)  --  u
		above forest

11	Gray-bellied Hawk  (Accipiter poliogaster)  --  r
		in emergent after prolonged rain

12	White Hawk  (Leucopternis albicollis)  --  u
		in emergent

13	Black-faced Hawk  (Leucopternis melanops)  --  r
		in emergent after prolonged rain

14	Roadside Hawk  (Buteo magnirostris)  --  u
		usually near clearings

15	Crested Eagle  (Morphnus guianensis)  --  r
		in emergent after prolonged rain

16	Ornate Hawk-Eagle  (Spizaetus ornatus)  --  u
		soaring over forest

17	Black Hawk-Eagle  (Spizaetus tyrannus)  --  u
		soaring over forest

18	Red-throated Caracara  (Daptrius americanus)  --  c
		noisy

19	Laughing Falcon  (Herpetotheres cachinnans)  --  u
		in emergents, calling occasionally

20	Lined Forest-Falcon  (Micrastur gilvicollis)  --  r
		calling early, only once

21	Barred Forest-Falcon  (Micrastur ruficollis)  --  u
		calling early

22	Orange-breasted Falcon  (Falco deiroleucus)  --  u
		male and female seen repeatedly near Platform 5

23	Bat Falcon  (Falco rufigularis)  --  u
		near river

24	Variable Chachalaca  (Ortalis motmot)  --  u
		thick canopies along quebrada

25	Spix's Guan  (Penelope jacquacu)  --  r
		flushed in canopy twice

26	Nocturnal Curassow  (Nothocrax urumutum)  --  r
		calling at night, only once

27	Razor-billed Curassow  (Crax mitu)  --  r
		single bird flushed beside quebrada

28	Marbled Wood-Quail  (Odontophorus gujanensis)  --  u
		heard in evenings occasionally

29	Gray-winged Trumpeter  (Psophia crepitans)  --  r
		small group flushed once (species by range)

30	Sunbittern  (Eurypyga helias)  --  r
		at edge of Jardin Botanico

31	Plumbeous Pigeon  (Columba plumbea)  --  c
		

32	Ruddy Pigeon  (Columba subvinacea)  --  u
		

33	Gray-fronted Dove  (Leptoptila rufaxilla)  --  c
		

34	Ruddy Quail-Dove  (Geotrygon montana)  --  u
		

35	Blue-and-yellow Macaw  (Ara ararauna)  --  u
		flying over

36	Cobalt-winged Parakeet  (Brotogeris cyanoptera)  --  c
		numerous

37	Tui Parakeet  (Brotogeris sanctithomae)  --  u
		

38	Black-headed Parrot  (Pionites melanocephala)  --  c
		frequent, noisy

39	Blue-headed Parrot  (Pionus menstruus)  --  u
		

40	Mealy Parrot  (Amazona farinosa)  --  c
		

41	Squirrel Cuckoo  (Piaya cayana)  --  u
		

42	Black-bellied Cuckoo  (Piaya melanogaster)  --  u
		frequent, forest canopy, one close to the canopy walkway
		devoured an enormous caterpillar

43	Little Cuckoo  (Piaya minuta)  --  r
		thick foliage near edges

44	Pheasant Cuckoo  (Dromococcyx phasianellus)  --  u
		one heard frequently near ACEER clearing

45	Red-billed Ground-Cuckoo  (Neomorphus pucheranii)  --  r
		once, beneath large mixed flock, no ants present

46	Crested Owl  (Lophostrix cristata)  --  u
		heard regularly at night

47	Mottled Owl  (Ciccaba virgata)  --  r
		one seen and heard beside canopy walkway
		Spectacled Owl (Pulsatrix perspicillata) not heard 

48	White-collared Swift  (Streptoprogne zonaris)  --  r
		about 10 above canopy in heavy rain

49	Chestnut-collared Swift  (Cypseloides rutilus)  --  r
		about 10 above canopy in heavy rain

50	Short-tailed Swift  (Chaetura brachyura)  --  c
		most numerous swift, often with other species

51	Chapman's Swift  (Chaetura chapmani)  --  r
		one or two with other swifts

52	Gray-rumped Swift  (Chaetura cinereiventris)  --  u
		numerous in groups of swifts

53	Pale-rumped Swift  (Chaetura egregia)  --  u
		once above canopy

54	Band-rumped Swift  (Chaetura spinicauda)  --  u
		several in large groups of swifts

55	Ashy-tailed Swift  (Chaetura andrei)  --  u
		several in groups of swifts -- now C. meridionalis, paler rump
		than C. pelagica but identification tentative

56	Fork-tailed Palm-Swift  (Reinardia squamata)  --  c
		alone or with other swifts

57	Little Hermit  (Phaethornis longuemareus)  --  u


58	Reddish Hermit  (Phaethornis ruber)  --  c
		

59	Long-tailed Hermit  (Phaethornis superciliosus)  --  c
		

60	Fork-tailed Woodnymph  (Thalurania forcata)  --  u
		

61	Pavonine Quetzal  (Pharomachus pavoninus)  --  r
		once, calling

62	White-tailed Trogon  (Trogon viridis)  --  c
		numerous, other species also calling but not identified

63	Ringed Kingfisher  (Ceryle torquata)  --  c
		along Napo

64	Pygmy Kingfisher  (Chloroceryle aenea)  --  u
		

65	Rufous Motmot  (Baryphthengus ruficapillus)  --  c
		

66	Blue-crowned Motmot  (Momotus momota)  --  c
		

67	Yellow-billed Jacamar  (Galbula albirostris)  --  r
		

68	Paradise Jacamar  (Galbula dea)  --  u
		

69	White-chinned Jacamar  (Galbula tombacea)  --  r
		

70	White-necked Puffbird  (Notharchus macrorhynchus)  --  u
		

71	Lanceolated Monklet  (Micromonacha lanceolata)  --  r
		in canopy at Platform 10

72	White-fronted Nunbird  (Monasa morphaeus)  --  c
		in forest canopy

73	Black-fronted Nunbird  (Monasa nigrifrons)  --  c
		along rivers

74	Black-spotted Barbet  (Capito niger)  --  c
		

75	Lemon-throated Barbet  (Eubucco richardsoni)  --  u
		

76	Ivory-billed Aracari  (Pteroglossus flavirostris)  --  u
		

77	Chestnut-eared Aracari  (Pteroglossus castanotis)  --  u
		

78	Lettered Aracari  (Pteroglossus inscriptus)  --  u
		

79	Golden-collared Toucanet  (Selenidura reinwardtii)  --  c
		

80	Cuvier's Toucan  (Ramphastus tucanus)  --  c
		

81	Yellow-ridged Toucan  (Ramphastus culminatus)  --  u
		

82	Plain-breasted Piculet  (Piculus castelnau)  --  r
		once in mixed flock

83	Yellow-tufted Woodpecker  (Melanerpes cruentatus)  --  c
		frequent, everywhere

84	Red-stained Woodpecker  (Veniliornis affinis)  --  u
		

85	Yellow-throated Woodpecker  (Piculus flavigula)  --  u
		frequent, in canopy

86	Chestnut Woodpecker  (Celeus elegans)  --  u
		

87	Cream-colored Woodpecker  (Celeus flavus)  --  u
		

88	Scaly-breasted Woodpecker  (Celeus grammicus)  --  u
		near river

89	Crimson-crested Woodpecker  (Campephilus melanoleucus)  --  c
		

90	Red-necked Woodpecker  (Campephilus rubricollis)  --  u
		

91	Plain-brown Woodcreeper  (Dendorcincla fuliginosa)  --  u
		once, no ants present

92	Olivaceous Woodcreeper  (Sittasomus griseicapillus)  --  u
		

93	Wedge-billed Woodcreeper  (Glyphorynchus spirurus)  --  c
		in every antshrike/antwren flock, also alone

94	Long-billed Woodcreeper  (Nasica longirostris)  --  u
		often heard near river and quebrada

95	Cinnamon-throated Woodcreeper  (Dendrexetastes rufigula)  --  u
		

96	Buff-throated Woodcreeper  (Xiphorhynchus guttatus)  --  c
		numerous

97	Ocellated Woodcreeper  (Xiphorhynchus ocellatus)  --  c
		often with mixed flocks

98	Straight-billed Woodcreeper  (Xiphorhynchus picus)  --  u
		near Sucusari

99	Elegant Woodcreeper  (Xiphorhynchus elegans)  --  r
		

100	Lineated Woodcreeper  (Lepidocolaptes lineatus)  --  u
		pair, in canopy

101	Ruddy Spinetail  (Synallaxis rutilans)  --  u
		

102	Speckled Spinetail  (Cranioleuca gutturata)  --  u
		with tanager flocks

103	Chestnut-winged Hookbill  (Ancistrops strigilatus)  --  r
		

104	Rufous-rumped Foliage-gleaner  (Phylidor erythrocercus)  --  r
		

105	Chestnut-winged Foliage-gleaner  (Phylidor erythropterus)  --  r
		

106	Rufous-tailed Foliage-gleaner  (Phylidor ruficaudatus)  --  r
		

107	Olive-backed Foliage-gleaner  (Automolus infuscatus)  --  u
		

108	Buff-throated Foliage-gleaner  (Automolus ochrolaemus)  --  u
		

109	Chestnut-crowned Foliage-gleaner  (Automolus rufipileatus)  --  u
		all foliage-gleaners with mixed flocks

110	Striped Foliage-gleaner  (Hyloctistes subulatus)  --  r
		

111	Short-billed Leaftosser  (Sclerurus rufigularis)  --  u
		scattered,on forest floor

112	Spot-winged Antshrike  (Pygiptila stellaris)  --  c
		heard often at dawn in canopy

113	Black-capped Antshrike  (Thamnophilus schistaceus)  --  u
		

114	Mouse-colored Antshrike  (Thamnophilus murinus)  --  c
		heard often in forest

115	Dusky-throated Antshrike  (Thamnomanes ardesiacus)  --  c
		in every antshrike/antwren flock

116	Great Antshrike  (Taraba major)  --  u
		

117	Cinereous Antshrike  (Thamnomanes caesius)  --  c
		in every antshrike/antwren flock

118	Fasciated Antshrike  (Cymbilaimus lineatus)  --  c
		heard often in forest

119	White-flanked Antwren  (Myrmotherula axillaris)  --  c
		in every antshrike/antwren flock

120	Gray Antwren  (Myrmotherula menetriesii)  --  c
		in every antshrike/antwren flock

121	Short-billed Antwren  (Myrmotherula obscura)  --  c
		frequent in canopy

122	Streaked Antwren  (Myrmotherula surinamensis)  --  c
		frequent in tangles near water

123	Banded  Antbird  (Dichrozona cincta)  --  u
		

124	Chestnut-shouldered Antwren  (Terenura humeralis)  --  u
		in mixed flock

125	Gray Antbird  (Cercomacra cinerascens)  --  c
		heard often, vine-tangled emergents

126	Black-faced Antbird  (Myrmoborus myotherinus)  --  c
		heard often, near ground in forest

127	Warbling Antbird  (Hypocnemis cantator)  --  c
		heard often, possibly also Yellow-browed

128	Yellow-browed Antbird  (Hypocnemis  hypoxantha)  -- ? 
		

129	Silvered Antbird  (Scateria naevia)  --  u
		

130	Slate-colored Antbird  (Percnostola schistaceus)  --  r
		

131	Spot-backed Antbird  (Hylophylax naevia)  --  u
		

132	Reddish-winged Bare-eye  (Phlegopsis erythroptera)  --  r
		pair with other antbirds, no ants present

133	Black-spotted Bare-eye  (Phlegopsis nigromaculatus)  --  u
		heard occasionally

134	Black-faced Antthrush  (Formicarius analis)  --  c
		numerous in forest

135	Rufous-capped Antthrush  (Formicarius colma)  --  c
		numerous in forest

136	Noble Antthrush  (Chamaeza nobilis)  --  u
		several heard regularly at widely scattered sites

137	Thrush-like Antpitta  (Myrmothera campanisona)  --  u
		heard often

138	Rusty-belted Tapaculo  (Liosceles thoracicus)  --  c
		scattered but often heard

139	Slender-footed Tyrannulet  (Zimmerius gracilipes)  --  u
		

140	Mouse-colored Tyrannulet  (Phaeomyias murina)  --  
 

141	Yellow-crowned Tyrannulet  (Tyrannulus elatus)  --  c
		heard frquently

142	Yellow-crowned Elaenia  (Myiopagis flavivertex)  --  
		

143	Forest Elaenia  (Myipagis gaimardii)  --  r
		

144	Ochre-bellied Flycatcher  (Mionectes oleaginea)  --  u
		occasional in flocks or alone, including in canopy

145	Ringed Antpipit  (Corythopis torquata)  --  c
		scattered but often heard

146	Short-tailed Pygmy-Tyrant  (Myiornis ecaudatus)  --  
		

147	Double-banded Pygmy-Tyrant  (Lophotriccus vitiosus)  --  c
		widespread, numerous

148	White-eyed Tody-Tyrant  (Hemitriccus zosterops)  --  u
		

149	Yellow-browed Tody-Flycatcher  (Todirostrum chrysocrotaphum)  --  u
		in mixed flocks in canopy

150	Brownish  Flycatcher  (Cnipodectes subbrunneus)  --  u
		

151	Dusky-tailed Flatbill  (Ramphotrigon fuscicauda)  --  r
		in mixed flock

152	Large-headed Flatbill  (Ramphotrigon megacephala)  --  r
		calling

153	Olivaceous Flatbill  (Rhynchocyclus olivaceus)  --  r
		calling

154	Yellow-margined Flycatcher  (Tolmomyias assimilis)  --  u
		occasional

155	Yellow-breasted Flycatcher  (Tolmomyias flaviventris)  --  u
		occsaional

156	Gray-crowned Flycatcher  (Tolmomyias poliocephalus)  --  c
		numerous in canopy

157	Orange-eyed Flycatcher  (Tolmomyias traylori)  --  u
		near Jardin Botanico and Platform 6

158	Ruddy-tailed Flycatcher  (Terenotriccus erythrurus)  --  u
		scattered in forest

159	White-eyed Attila  (Attila bolivianus)  --  r
		

160	Cinnamon Attila  (Attila cinnamomeus)  --  u
		

161	Bright-rumped Attila  (Attila spadiceus)  --  c
		calling regularly in several places

162	Grayish Mourner  (Rhytipterna simplex)  --  u
		several calling

163	Cinereous Mourner  (Laniocera hypopyrrha)  --  u
		2-3 males calling regularly at two sites

164	Gray-capped Flycatcher  (Myiozetetes granadensis)  --  c
		in clearing or atop canopy

165	Dusky-chested Flycatcher  (Tyrannopsis luteiventris)  --  u
		small groups in canopy

166	Social Flycatcher  (Myiozetetes similis)  --  c
		near river

167	Piratic Flycatcher  (Legatus leucophaius)  --  u
		occasional in canopy

168	Crowned Slaty-Flycatcher  (Empidonomus aurantioatrocristatus)  --  u
		occasional in canopy

169	Tropical Kingbird  (Tyrannus melancholicus)  --  c
		near clearings

170	Black-capped Becard  (Pachyramphus marginatus)  --  r
		

171	Pink-throated Becard  (Platypsaris minor)  --  r
		

172	White-winged Becard  (Pachyramphus polychopterus)  --  r
		

173	Masked Tityra  (Tityra semifasciata)  --  u
		

174	Varzea Schiffornis  (Schiffornis major)  --  u
		in floodplain forest

175	Thrush-like Schiffornis  (Schiffornis turdinus)  --  u
		scattered in upland forest

176	Dwarf Tyrant-Manakin  (Tyranneutes stolzmanni)  --  c
		many calling males

177	Striped Manakin  (Machaeropterus regulus)  --  u
		calling at one site

178	Blue-backed Manakin  (Chiroxiphia pareola)  --  c
		scattered calling males

179	Blue-crowned Manakin  (Pipra coronata)  --  c
		widespread, numerous

180	Golden-headed Manakin  (Pipra erythrocephala)  --  c
		many small leks

181	White-crowned Manakin  (Pipra pipra)  --  c
		widespread, not so numerous as Blue-crowned

182	Black-necked Red-Cotinga  (Phoenicircus nigricollis)  --  u
		little activity at lek at dawn, male and female seen frequently 
		along Central Trail

183	White-browed Purpletuft  (Iodopleura isabellae)  --  u
		pair with flying young seen often from Platforms 6-9A

184	Screaming Piha  (Lipaugus vociferans)  --  c
		large congregation of calling males under canopy walkway

185	Spangled Cotinga  (Cotinga cayana)  --  c
		one male used habitual perches atop canopy

186	Bare-necked Fruitcrow  (Gymnoderus foetidus)  --  u
		

187	Purple-throated Fruitcrow  (Querula purpurata)  --  c
		groups in canopy easily located by calls

188	Gray-breasted Martin  (Progne chalybea)  --  c
		along Napo

189	White-banded Swallow  (Atticora fasciata)  --  c
		along rivers

190	Black-collared Swallow  (Atticora melanoleuca)  --  r
		several with swifts after rain -- see note below

191	Southern Rough-winged Swallow  (Stelgidopteryx ruficollis)  --  c
		numerous along rivers

192	Coraya Wren  (Thryothorus coraya)  --  c
		numerous

193	Southern Nightingale Wren  (Microcerculus marginatus)  --  c
		scattered but often heard

194	Musician Wren  (Cyphorhinus arada)  --  r
		singing once

195	Collared Gnatwren  (Microbates collaris)  --  u
		twice, with antshrike/antwren flocks

196	Slate-colored (Slaty) Grosbeak  (Pitylus grossus)  --  u
		in canopy, occasional

197	Buff-throated Saltator  (Saltator maximus)  --  u
		in clearings

198	Magpie Tanager  (Cissopis leveriana)  --  u
		in clearings

199	Yellow-backed Tanager  (Hemithraupis flavicollis)  --  u
		in canopy

200	Fulvous Shrike-Tanager  (Lanio fulvus)  --  u
		with mixed flocks

201	Fulvous-crested Tanager  (Tachyphonus surinamus)  --  u
		

202	Red-crowned Ant-Tanager  (Habia rubica)  --  u
		

203	Silver-beaked Tanager  (Ramphocelus carbo)  --  u
		in clearings

204	Masked Crimson Tanager  (Ramphocelus nigrogularis)  --  u
		in clearings

205	Blue-gray Tanager  (Thraupus episcopus)  --  u
		in clearings

206	Golden-bellied Euphonia  (Euphonia chrysopasta)  --  r
		with mixed flock

207	White-vented Euphonia  (Euphonia minuta)  --  r
		

208	Orange-bellied Euphonia  (Euphonia xanthogaster)  --  u
		

209	Opal-browed Tanager  (Tangara callophrys)  --  u
		in canopy flocks

210	Paradise Tanager  (Tangara chilensis)  --  c
		in canopy flocks

211	Bay-headed Tanager  (Tangara gyrola)  --  r
		

212	Turquoise Tanager  (Tangara mexicana)  --  u
		in canopy flocks

213	Green-and-gold Tanager  (Tangara schrankii)  --  c
		often in mixed flocks

214	Opal-rumped Tanager  (Tangara velia)  --  u
		in canopy flocks

215	Blue Dacnis  (Dacnis cayana)  --  u
		

216	Black-faced Dacnis  (Dacnis lineata)  --  u
		

217	Green Honeycreeper  (Chlorophanes spiza)  --  u
		

218	Purple Honeycreeper  (Cyanerpes caeruleus)  --  u
		

219	Short-billed Honeycreeper  (Cyanerpes nitidus)  --  u
		

220	Swallow Tanager  (Tersina viridis)  --  r
		once, in mixed flock

221	Rufous-browed Peppershrike  (Cyclarhis gujanensis)  --  u
		singing in emergents beside river or quebrada

222	Red-eyed Vireo  (Vireo olivaceus)  --  u
		occasional, singing in canopy

223	Dusky-capped  Greenlet  (Hylophilus hypoxanthus)  --  u
		scattered in mixed flocks or alone in forest

224	Lemon-chested Greenlet  (Hylophilus thoracicus)  --  r
		once in canopy flock at edge

225	Tawny-crowned Greenlet  (Hylophilus ochraceiceps)  --  u
		scattered in mixed flocks

226	Russet-backed Oropendola  (Psarocolius angustifrons)  --  c
		numerous

227	Green Oropendola  (Psarocolius viridis)  --  u
		occasional

228	Yellow-rumped Cacique  (Cacicus cela)  --  c
		numerous

229	Solitary Black Cacique  (Cacicus solitarius)  --  r