Twelth official Audubon Christmas Bird Count at
Volcán Atitlán (GMAV) 2018
organized by CAYAYA BIRDING

Compiled by ,
CAYAYA BIRDING, January 2019

The 12th Christmas Bird Count at Atitlán Volcano took place on 19 December 2018. A total of 38 observers in 12 groups counted birds in Reserva Natural Privada Los Tarrales, Finca San Jerónimo Miramar, Reserva Natural Privada Los Andes, in the municipal forest of Santiago Atitlán near Mirador Rey Tepepul, on Atitlán volcano, and on Tolimán volcano, and in the bay of Santiago Atitlán of Lake Atitlán. Weather conditions were favorable, with partly cloudy to cloudy skies throughout the day and some heavy rain falls in the late afternoon after the main count activity.

CBC Atitlán Volcano 2018
12th Christmas Bird Count at Atitlán volcano, 19 December 2018.

A total of 4856 birds of 286 species were recorded, 4 more species were observed during the count week. The most abundant species during this Christmas Bird Count with at least 50 detected individuals were (in descending order of abundance): Vaux's Swift, Tennessee Warbler, Red-legged Honeycreeper, Ruby-throated Hummingbird, American Coot, Great-tailed Grackle, Common Chlorospingus, Wilson's Warbler, Clay-colored Thrush, Black Vulture, Common Gallinule, Northern Rough-winged Swallow, Bushy-crested Jay, Orange-chinned Parakeet, Townsend's Warbler, Brown-backed Solitaire, Band-tailed Pigeon, Yellow-winged Tanager, Mexican Violetear, Cattle Egret, and Baltimore Oriole.

Unspotted Saw-whet Owl
One of five Unspotted Saw-whet Owls recorded during the 12th Volcán Atitlán Christmas Bird Count.

Most noteworthy records included 3 Black-throated Blue Warblers, 5 Unspotted Saw-whet Owls, and 21 Horned Guans. Species recorded for the first time during the Atitlán Volcano Christmas Bird Count included Least Sandpiper, Black-crested Coquette, Belted Flycatcher, Brown Creeper, Cedar Waxwing, Black-throated Blue Warbler, and Lincoln's Sparrow. Many of the endemics of the northern Central American highlands were recorded during the count day, including Horned Guan, Highland Guan, Fulvous Owl, Guatemalan Pygmy-Owl, Azure-rumped Tanager, Blue-throated Motmot, Belted Flycatcher, Rufous Sabrewing, Green-throated Mountain-gem, Rufous-browed Wren, Black-capped Swallow, Black-throated Jay, Rufous-collared Thrush, and Black-capped Siskin.

Horned Guan with bented horn
One of 21 Horned Guans recorded during the 12th Volcán Atitlán Christmas Bird Count. Note the bent horn on this individual.

Atitlán volcano is part of the Atitlán Important Bird Area (IBA GT015) and this Christmas Bird Count helps to monitor bird populations in this IBA. Among the species of conservation concern recorded during the 2018 count were the globally Endangered species Azure-rumped Tanager and Horned Guan, and two Vulnerable species (Highland Guan and Pink-headed Warbler).

male Ruby-throated Hummingbird
The Guatemalan Pacific slope foothills belong to the main wintering area of Ruby-throated Hummingbirds. This male was one of many recorded during 12th Atitlán Volcano Christmas Bird Count.

It follows a list of species and numbers of individuals recorded during the twelth Christmas Bird Count at Atitlán Volcano (Nomenclature according to AOU 1998 and supplements, most recent update AOS 2018). Species recorded during the count week are marked with (cw).

  1. Thicket Tinamou Crypturellus cinnamomeus 1
  2. Blue-winged Teal Spatula discors 5
  3. White-bellied Chachalaca Ortalis leucogastra 33
  4. Crested Guan Penelope purpurascens 36
  5. Highland Guan Penelopina nigra 32
  6. Horned Guan Oreophasis derbianus 21
  7. Singing Quail Dactylortyx thoracicus 12
  8. Spotted Wood-Quail Odontophorus guttatus 8
  9. Least Grebe Tachybaptus dominicus 2
  10. Pied-billed Grebe Podilymbus podiceps 1
  11. Red-billed Pigeon Patagioenas flavirostris 22
  12. Band-tailed Pigeon Patagioenas fasciata 54
  13. Inca Dove Columbina inca 9
  14. Common Ground-Dove Columbina passerina 6
  15. White-tipped Dove Leptotila verreauxi 23
  16. White-faced Quail-Dove Zentrygon albifacies 6
  17. White-winged Dove Zenaida asiatica 18
  18. Squirrel Cuckoo Piaya cayana 19
  19. Lesser Roadrunner Geococcyx velox 1
  20. Groove-billed Ani Crotophaga sulcirostris 12
  21. Lesser Nighthawk Chordeiles acutipennis 15
  22. Common Pauraque Nyctidromus albicollis 21
  23. Mexican Whip-poor-will Antrostomus arizonae 7
  24. Northern Potoo Nyctibius jamaicensis (cw)
  25. Chestnut-collared Swift Streptoprocne rutila 4
  26. White-collared Swift Streptoprocne zonaris 25
  27. Vaux's Swift Chaetura vauxi 389
  28. White-throated Swift Aeronautes saxatalis 3
  29. Lesser Swallow-tailed Swift Panyptila cayennensis 6
  30. White-necked Jacobin Florisuga mellivora (cw)
  31. Mexican Violetear Colibri thalassinus 51
  32. Green-breasted Mango Anthracothorax prevostii 2
  33. Black-crested Coquette Lophornis helenae 3
  34. Rivoli's Hummingbird Eugenes fulgens 6
  35. Long-billed Starthroat Heliomaster longirostris 6
  36. Green-throated Mountain-gem Lampornis viridipallens 9
  37. Amethyst-throated Hummingbird Lampornis amethystinus 14
  38. Garnet-throated Hummingbird Lamprolaima rhami 4
  39. Slender Sheartail Doricha enicura 1
  40. Ruby-throated Hummingbird Archilochus colubris 110
  41. Wine-throated Hummingbird Atthis ellioti 7
  42. Broad-tailed Hummingbird Selasphorus platycercus 1
  43. Emerald-chinned Hummingbird Abeillia abeillei 16
  44. Rufous Sabrewing Campylopterus rufus 20
  45. Violet Sabrewing Campylopterus hemileucurus 10
  46. White-bellied Emerald Amazilia candida 12
  47. Azure-crowned Hummingbird Amazilia cyanocephala 9
  48. Berylline Hummingbird Amazilia beryllina 7
  49. Blue-tailed Hummingbird Amazilia cyanura 37
  50. Cinnamon Hummingbird Amazilia rutila 19
  51. Blue-throated Goldentail Hylocharis eliciae 19
  52. White-eared Hummingbird Hylocharis leucotis 5
  53. Sora Porzana carolina 1
  54. Purple Gallinule Porphyrio martinicus 8
  55. Common Gallinule Gallinula galeata 72
  56. American Coot Fulica americana 96
  57. Least Sandpiper Calidris minutilla 1
  58. Spotted Sandpiper Actitis macularius 8
  59. Solitary Sandpiper Tringa solitaria 1
  60. Brown Pelican Pelecanus occidentalis 1
  61. Great Blue Heron Ardea herodias 6
  62. Great Egret Ardea alba 31
  63. Snowy Egret Egretta thula 18
  64. Little Blue Heron Egretta caerulea 7
  65. Tricolored Heron Egretta tricolor 4
  66. Cattle Egret Bubulcus ibis 51
  67. Green Heron Butorides virescens 32
  68. Black-crowned Night-Heron Nycticorax nycticorax 1
  69. Black Vulture Coragyps atratus 77
  70. Turkey Vulture Cathartes aura 37
  71. King Vulture Sarcoramphus papa 1
  72. Black Hawk-Eagle Spizaetus tyrannus 3
  73. Ornate Hawk-Eagle Spizaetus ornatus 2
  74. Sharp-shinned Hawk Accipiter striatus 1
  75. Common Black Hawk Buteogallus anthracinus 1
  76. Roadside Hawk Rupornis magnirostris 2
  77. White Hawk Pseudastur albicollis 3
  78. Gray Hawk Buteo plagiatus 13
  79. Broad-winged Hawk Buteo platypterus 3
  80. Short-tailed Hawk Buteo brachyurus 5
  81. Red-tailed Hawk Buteo jamaicensis 2
  82. Whiskered Screech-Owl Megascops trichopsis 18
  83. Great Horned Owl Bubo virginianus 10
  84. Northern Pygmy-Owl Glaucidium gnoma 2
  85. Ferruginous Pygmy-Owl Glaucidium brasilianum 10
  86. Mottled Owl Ciccaba virgata 18
  87. Black-and-white Owl Ciccaba nigrolineata 5
  88. Fulvous Owl Strix fulvescens 5
  89. Stygian Owl Asio stygius 1
  90. Unspotted Saw-whet Owl Aegolius ridgwayi 5
  91. Gartered Trogon Trogon caligatus 7
  92. Mountain Trogon Trogon mexicanus 9
  93. Collared Trogon Trogon collaris 21
  94. Resplendent Quetzal Pharomachrus mocinno 4
  95. Tody Motmot Hylomanes momotula 8
  96. Blue-throated Motmot Aspatha gularis 13
  97. Lesson's Motmot Momotus lessonii 24
  98. Turquoise-browed Motmot Eumomota superciliosa 5
  99. Belted Kingfisher Megaceryle alcyon 3
  100. Green Kingfisher Chloroceryle americana 3
  101. Northern Emerald-Toucanet Aulacorhynchus prasinus 46
  102. Collared Aracari Pteroglossus torquatus 31
  103. Golden-fronted Woodpecker Melanerpes aurifrons 32
  104. Hairy Woodpecker Dryobates villosus 4
  105. Smoky-brown Woodpecker Dryobates fumigatus 12
  106. Golden-olive Woodpecker Colaptes rubiginosus 27
  107. Northern Flicker Colaptes auratus 5
  108. Lineated Woodpecker Dryocopus lineatus 5
  109. Pale-billed Woodpecker Campephilus guatemalensis 3
  110. Laughing Falcon Herpetotheres cachinnans 11
  111. Barred Forest-Falcon Micrastur ruficollis 1
  112. Collared Forest-Falcon Micrastur semitorquatus 6
  113. Crested Caracara Caracara cheriway 1
  114. American Kestrel Falco sparverius (cw)
  115. Bat Falcon Falco rufigularis 1
  116. Peregrine Falcon Falco peregrinus 1
  117. Orange-fronted Parakeet Eupsittula canicularis 19
  118. Pacific Parakeet Psittacara strenuus 34
  119. Barred Parakeet Bolborhynchus lineola 8
  120. Orange-chinned Parakeet Brotogeris jugularis 59
  121. Yellow-naped Parrot Amazona auropalliata 29
  122. Barred Antshrike Thamnophilus doliatus 15
  123. Tawny-throated Leaftosser Sclerurus mexicanus 4
  124. Ruddy Woodcreeper Dendrocincla homochroa 1
  125. Ivory-billed Woodcreeper Xiphorhynchus flavigaster 2
  126. Spotted Woodcreeper Xiphorhynchus erythropygius 4
  127. Spot-crowned Woodcreeper Lepidocolaptes affinis 7
  128. Scaly-throated Foliage-gleaner Anabacerthia variegaticeps 4
  129. Ruddy Foliage-gleaner Clibanornis rubiginosus 9
  130. Rufous-breasted Spinetail Synallaxis erythrothorax 8
  131. Long-tailed Manakin Chiroxiphia linearis 26
  132. Masked Tityra Tityra semifasciata 22
  133. Gray-collared Becard Pachyramphus major 1
  134. Rose-throated Becard Pachyramphus aglaiae 8
  135. Stub-tailed Spadebill Platyrinchus cancrominus 3
  136. Ochre-bellied Flycatcher Mionectes oleagineus 2
  137. Northern Bentbill Oncostoma cinereigulare 7
  138. Common Tody-Flycatcher Todirostrum cinereum 17
  139. Eye-ringed Flatbill Rhynchocyclus brevirostris 2
  140. Yellow-olive Flycatcher Tolmomyias sulphurescens 7
  141. Northern Beardless-Tyrannulet Camptostoma imberbe 2
  142. Greenish Elaenia Myiopagis viridicata 7
  143. Yellow-bellied Elaenia Elaenia flavogaster 2
  144. Mountain Elaenia Elaenia frantzii (cw)
  145. Paltry Tyrannulet Zimmerius vilissimus 31
  146. Dusky-capped Flycatcher Myiarchus tuberculifer 28
  147. Great Crested Flycatcher Myiarchus crinitus 3
  148. Brown-crested Flycatcher Myiarchus tyrannulus 3
  149. Great Kiskadee Pitangus sulphuratus 5
  150. Boat-billed Flycatcher Megarynchus pitangua 32
  151. Social Flycatcher Myiozetetes similis 22
  152. Tropical Kingbird Tyrannus melancholicus 17
  153. Western Kingbird Tyrannus verticalis 18
  154. Scissor-tailed Flycatcher Tyrannus forficatus 9
  155. Belted Flycatcher Xenotriccus callizonus 1
  156. Tufted Flycatcher Mitrephanes phaeocercus 2
  157. Greater Pewee Contopus pertinax 14
  158. Tropical Pewee Contopus cinereus 15
  159. Yellow-bellied Flycatcher Empidonax flaviventris 8
  160. Willow Flycatcher Empidonax traillii 1
  161. Least Flycatcher Empidonax minimus 8
  162. Hammond's Flycatcher Empidonax hammondii 7
  163. Yellowish Flycatcher Empidonax flavescens 4
  164. Black Phoebe Sayornis nigricans 9
  165. Rufous-browed Peppershrike Cyclarhis gujanensis 18
  166. Chestnut-sided Shrike-Vireo Vireolanius melitophrys 2
  167. Green Shrike-Vireo Vireolanius pulchellus 4
  168. Lesser Greenlet Pachysylvia decurtata 2
  169. Hutton's Vireo Vireo huttoni 3
  170. Yellow-throated Vireo Vireo flavifrons 14
  171. Blue-headed Vireo Vireo solitarius 20
  172. Philadelphia Vireo Vireo philadelphicus 1
  173. Warbling Vireo Vireo gilvus 9
  174. Brown-capped Vireo Vireo leucophrys 6
  175. Black-throated Jay Cyanolyca pumilo 14
  176. White-throated Magpie-Jay Calocitta formosa 30
  177. Bushy-crested Jay Cyanocorax melanocyaneus 64
  178. Tree Swallow Tachycineta bicolor 30
  179. Violet-green Swallow Tachycineta thalassina 10
  180. Black-capped Swallow Atticora pileata 38
  181. Northern Rough-winged Swallow Stelgidopteryx serripennis 71
  182. Barn Swallow Hirundo rustica 22
  183. Bushtit Psaltriparus minimus 14
  184. Brown Creeper Certhia americana 1
  185. House Wren Troglodytes aedon 28
  186. Rufous-browed Wren Troglodytes rufociliatus 15
  187. Band-backed Wren Campylorhynchus zonatus 7
  188. Rufous-naped Wren Campylorhynchus rufinucha 19
  189. Spot-breasted Wren Pheugopedius maculipectus 20
  190. Rufous-and-white Wren Thryophilus rufalbus 7
  191. Cabanis's Wren Cantorchilus modestus 24
  192. White-breasted Wood-Wren Henicorhina leucosticta 8
  193. Gray-breasted Wood-Wren Henicorhina leucophrys 18
  194. Long-billed Gnatwren Ramphocaenus melanurus 5
  195. Blue-gray Gnatcatcher Polioptila caerulea 7
  196. Eastern Bluebird Sialia sialis 2
  197. Brown-backed Solitaire Myadestes occidentalis 56
  198. Orange-billed Nightingale-Thrush Catharus aurantiirostris 13
  199. Ruddy-capped Nightingale-Thrush Catharus frantzii 11
  200. Spotted Nightingale-Thrush Catharus dryas 5
  201. Swainson's Thrush Catharus ustulatus 19
  202. Black Thrush Turdus infuscatus 3
  203. Mountain Thrush Turdus plebejus 1
  204. Clay-colored Thrush Turdus grayi 80
  205. White-throated Thrush Turdus assimilis 28
  206. Rufous-collared Robin Turdus rufitorques 27
  207. Blue-and-white Mockingbird Melanotis hypoleucus 10
  208. Gray Catbird Dumetella carolinensis 1
  209. Tropical Mockingbird Mimus gilvus 3
  210. Cedar Waxwing Bombycilla cedrorum 3
  211. Gray Silky-flycatcher Ptiliogonys cinereus 25
  212. Olive Warbler Peucedramus taeniatus 1
  213. House Sparrow Passer domesticus 2
  214. Blue-crowned Chlorophonia Chlorophonia occipitalis 21
  215. Scrub Euphonia Euphonia affinis 13
  216. Yellow-throated Euphonia Euphonia hirundinacea 21
  217. Elegant Euphonia Euphonia elegantissima 12
  218. Hooded Grosbeak Coccothraustes abeillei 7
  219. Black-capped Siskin Spinus atriceps 3
  220. Black-headed Siskin Spinus notatus 7
  221. Lesser Goldfinch Spinus psaltria 18
  222. Chestnut-capped Brushfinch Arremon brunneinucha 9
  223. White-naped Brushfinch Atlapetes albinucha 1
  224. Spotted Towhee Pipilo maculatus 1
  225. Rusty Sparrow Aimophila rufescens 2
  226. White-eared Ground-Sparrow Melozone leucotis 12
  227. White-faced Ground-Sparrow Melozone biarcuata 16
  228. Lincoln's Sparrow Melospiza lincolnii 1
  229. Rufous-collared Sparrow Zonotrichia capensis 6
  230. Yellow-eyed Junco Junco phaeonotus 4
  231. Common Chlorospingus Chlorospingus flavopectus 88
  232. Yellow-breasted Chat Icteria virens 8
  233. Yellow-billed Cacique Amblycercus holosericeus 7
  234. Black-vented Oriole Icterus wagleri 4
  235. Bar-winged Oriole Icterus maculialatus 3
  236. Orchard Oriole Icterus spurius 40
  237. Spot-breasted Oriole Icterus pectoralis 7
  238. Altamira Oriole Icterus gularis 12
  239. Baltimore Oriole Icterus galbula 50
  240. Bronzed Cowbird Molothrus aeneus 10
  241. Melodious Blackbird Dives dives 38
  242. Great-tailed Grackle Quiscalus mexicanus 94
  243. Ovenbird Seiurus aurocapilla 12
  244. Worm-eating Warbler Helmitheros vermivorum 7
  245. Louisiana Waterthrush Parkesia motacilla 1
  246. Northern Waterthrush Parkesia noveboracensis 1
  247. Golden-winged Warbler Vermivora chrysoptera 1
  248. Blue-winged Warbler Vermivora cyanoptera 1
  249. Black-and-white Warbler Mniotilta varia 28
  250. Crescent-chested Warbler Oreothlypis superciliosa 1
  251. Tennessee Warbler Oreothlypis peregrina 176
  252. Nashville Warbler Oreothlypis ruficapilla 3
  253. Gray-crowned Yellowthroat Geothlypis poliocephala 2
  254. MacGillivray's Warbler Geothlypis tolmiei 3
  255. Common Yellowthroat Geothlypis trichas 4
  256. Hooded Warbler Setophaga citrina 2
  257. American Redstart Setophaga ruticilla 8
  258. Magnolia Warbler Setophaga magnolia 17
  259. Yellow Warbler Setophaga petechia 13
  260. Chestnut-sided Warbler Setophaga pensylvanica 1
  261. Black-throated Blue Warbler Setophaga caerulescens 3
  262. Audubon's Warbler Setophaga auduboni 2
  263. Yellow-throated Warbler Setophaga dominica 1
  264. Townsend's Warbler Setophaga townsendi 59
  265. Black-throated Green Warbler Setophaga virens 12
  266. Fan-tailed Warbler Basileuterus lachrymosus 1
  267. Rufous-capped Warbler Basileuterus rufifrons 16
  268. Golden-browed Warbler Basileuterus belli 1
  269. Golden-crowned Warbler Basileuterus culicivorus 17
  270. Wilson's Warbler Cardellina pusilla 81
  271. Pink-headed Warbler Cardellina versicolor 3
  272. Slate-throated Redstart Myioborus miniatus 15
  273. Summer Tanager Piranga rubra 26
  274. Western Tanager Piranga ludoviciana 14
  275. Flame-colored Tanager Piranga bidentata 8
  276. White-winged Tanager Piranga leucoptera 22
  277. Rose-breasted Grosbeak Pheucticus ludovicianus 32
  278. Blue Seedeater Amaurospiza concolor 2
  279. Indigo Bunting Passerina cyanea 8
  280. Painted Bunting Passerina ciris 18
  281. Blue-gray Tanager Thraupis episcopus 26
  282. Yellow-winged Tanager Thraupis abbas 53
  283. Azure-rumped Tanager Tangara cabanisi 22
  284. Cinnamon-bellied Flowerpiercer Diglossa baritula 8
  285. Blue-black Grassquit Volatinia jacarina 2
  286. Red-legged Honeycreeper Cyanerpes cyaneus 139
  287. Yellow-faced Grassquit Tiaris olivaceus 5
  288. Morelet's Seedeater Sporophila morelleti 40
  289. Black-headed Saltator Saltator atriceps 34
  290. Grayish Saltator Saltator coerulescens 19

References

AOU (1998) The American Ornithologists' Union Check-list of North American Birds. 7th edition. American Ornithologists' Union, Washington, D.C.

AOS (2018) Fifty-ninth supplement to the American Ornithological Society's check-list of North American birds. Auk 135: 798-813.


To see results of all Christmas Bird Counts throughout the Americas visit http://www.audubon.org/conservation/science/christmas-bird-count.


CBC Atitlan Volcano 2018
Participants of the 12th Christmas Bird Count at Atitlán Volcano, 19 December 2018. The meeting was kindly hosted by Los Tarrales Reserve.

Sponsors of the Christmas Bird Count at Atitlán Volcano 2018


Participants of the 12th Christmas Bird Count at Atitlán Volcano, 2018.

List of participants (group leaders in bold-face): Carlos Aguilar, Claudia Avendaño, Giorgio Bressani, Vitto Bressani, Elías Buch, Everilda Buchán, Andy Burge, Marlon Calderón, Juan José Chinchilla, German Cholotío, Daniel Cocón, Selvin Coy, Álvaro de Castro, Gilberto de León, Josué de León Lux, Knut Eisermann, Edin Elías, Diego González, Benedicto Grijalva, Darwin Grijalva, Benjamin Hernández, Sulmy Jerónimo, Marvin Laynes, Gerardo López, Esteban Matías, Arnoldo Ortíz, Maynor Ovando, José Ramon de Castro, Juan Reanda, Emily Samayoa, Emanuel Serech, Les Todd, Rolando Tol, Alfredo Tol, Andrés Tzunun, Hector Xep, Rony Xep, and Jesús Yuxón.

Compilers: Knut Eisermann and Claudia Avendaño.


Images from the 12th Christmas Bird Count at Atitlán Volcano

Christmas Bird Count Atitlán Volcano
Satellite image of the area covered by the circle (diameter: 15 miles, 24.1 km) of the Christmas Bird Count at Atitlán Volcano. The area includes the volcanoes Atitlán and Tolimán, and the southern parts of Lake Atitlán, and ranges in altitude from 500 to 3500 m. Habitats are diverse and include humid and semihumid broadleaf forest, mixed forest, scrub, grassland, shade coffee plantation and other agricultural area, lava fields, the southern part of lake Atitlán, rivers, and urban area.
Black-throated Blue Warbler
Noteworthy record: one of three males of Black-throated Blue Warbler during 12th Atitlán Volcano Christmas Bird Count.
Crested Guan
Crested Guan during the 12th Atitlán Volcano Christmas Bird Count.
Fulvous Owl
Fulvous Owl during the 12th Atitlán Volcano Christmas Bird Count.
Common Pauraque
Common Pauraque during the 12th Atitlán Volcano Christmas Bird Count.
Wine-throated Humingbird
Wine-throated Hummingbird during the 12th Atitlán Volcano Christmas Bird Count.
Whiskered Screech-Owl
Whiskered Screech-Owl during the 12th Atitlán Volcano Christmas Bird Count.
Golden-olive Woodpecker
Golden-olive Woodpecker during the 12th Atitlán Volcano Christmas Bird Count.
Black-capped Siskin
Black-capped Siskin during the 12th Atitlán Volcano Christmas Bird Count.
Black-headed Saltator
Black-headed Saltator during the 12th Atitlán Volcano Christmas Bird Count.
Cinnamon Hummingbird
Cinnamon Hummingbird during the 12th Atitlán Volcano Christmas Bird Count.

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