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Bird Observations

Date Range:
Jan-Dec, 1900-2025

Arenal Observatory Lodge

Updated ~41 hr(s) ago.

512 species (+61 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Tinamou
Little Tinamou
tinamou sp.
Black-bellied Whistling-Duck
Muscovy Duck
Blue-winged Teal
Blue-winged/Cinnamon Teal
teal sp.
Lesser Scaup
Greater/Lesser Scaup
Gray-headed Chachalaca
Crested Guan
Black Guan
Great Curassow
Black-eared Wood-Quail
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black-breasted Wood-Quail
Rock Pigeon
Pale-vented Pigeon
Red-billed Pigeon
Band-tailed Pigeon
Ruddy Pigeon
Short-billed Pigeon
Patagioenas sp.
Ruddy Ground Dove
ground dove/Inca Dove
Blue Ground Dove
Ruddy Quail-Dove
Violaceous Quail-Dove
Olive-backed Quail-Dove
White-tipped Dove
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Gray-chested Dove
Buff-fronted Quail-Dove
Purplish-backed Quail-Dove
Chiriqui Quail-Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Groove-billed Ani
Striped Cuckoo
Rufous-vented Ground-Cuckoo
Squirrel Cuckoo
Mangrove Cuckoo
Black-billed Cuckoo
Lesser Nighthawk
Common Nighthawk
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
nighthawk sp.
Short-tailed Nighthawk
Common Pauraque
Chuck-will's-widow
Great Potoo
Common Potoo
Black Swift
White-chinned Swift
Spot-fronted Swift
Chestnut-collared Swift
White-collared Swift
Gray-rumped Swift
Chimney Swift
Vaux's Swift
Chimney/Vaux's Swift
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Chaetura sp.
Lesser Swallow-tailed Swift
large swift sp.
swift sp.
White-necked Jacobin
White-tipped Sicklebill
Bronzy Hermit
Band-tailed Barbthroat
Green Hermit
Long-billed Hermit
Stripe-throated Hermit
hermit sp.
Green-fronted Lancebill
Brown Violetear
Lesser Violetear
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Purple-crowned Fairy
Green-breasted Mango
Green Thorntail
Black-crested Coquette
White-crested Coquette
Green-crowned Brilliant
Long-billed Starthroat
Plain-capped Starthroat
White-bellied Mountain-gem
Purple-throated Mountain-gem
Magenta-throated Woodstar
Ruby-throated Hummingbird
Canivet's Emerald
Violet-headed Hummingbird
Violet Sabrewing
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bronze-tailed Plumeleteer
Crowned Woodnymph
Snowcap
Coppery-headed Emerald
Stripe-tailed Hummingbird
Scaly-breasted Hummingbird
Blue-vented Hummingbird
Cinnamon Hummingbird
Rufous-tailed Hummingbird
Blue-chested Hummingbird
Blue-throated Goldentail
hummingbird sp.
Uniform Crake
Russet-naped Wood-Rail
American Coot
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Purple Gallinule
White-throated Crake
Gray-breasted Crake
Black-necked Stilt
Killdeer
Southern Lapwing
Collared Plover
Northern Jacana
Spotted Sandpiper
Solitary Sandpiper
Greater Yellowlegs
Least Grebe
Pied-billed Grebe
Sunbittern
Wood Stork
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Magnificent Frigatebird
Anhinga
Neotropic Cormorant
White Ibis
Green Ibis
Roseate Spoonbill
Bare-throated Tiger-Heron
Fasciated Tiger-Heron
Boat-billed Heron
Yellow-crowned Night Heron
Black-crowned Night Heron
Little Blue Heron
Tricolored Heron
Snowy Egret
Green Heron
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western Cattle-Egret
Great Egret
Great Blue Heron
Brown Pelican
King Vulture
Black Vulture
Turkey Vulture
Cathartes sp.
Osprey
White-tailed Kite
Hook-billed Kite
Gray-headed Kite
Swallow-tailed Kite
Black Hawk-Eagle
Black-and-white Hawk-Eagle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ornate Hawk-Eagle
Sharp-shinned Hawk
Bicolored Hawk
Cooper's Hawk
Accipitrine hawk sp. (former Accipiter sp.)
Tiny Hawk
Double-toothed Kite
Mississippi Kite
Plumbeous Kite
Snail Kite
Barred Hawk
Great Black Hawk
Roadside Hawk
Harris's Hawk
White Hawk
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Semiplumbeous Hawk
Gray Hawk
Broad-winged Hawk
Zone-tailed Hawk
Short-tailed Hawk
Swainson's Hawk
Red-tailed Hawk
Buteo sp.
hawk sp.
American Barn Owl
Middle American Screech-Owl
Pacific Screech-Owl
Crested Owl
Spectacled Owl
Central American Pygmy-Owl
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mottled Owl
Black-and-white Owl
Striped Owl
owl sp.
Resplendent Quetzal
Lattice-tailed Trogon
Slaty-tailed Trogon
Black-headed Trogon
Gartered Trogon
Northern Black-throated Trogon
Collared Trogon
new world trogon sp.
Lesson's Motmot
Rufous Motmot
Keel-billed Motmot
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Broad-billed Motmot
Keel-billed/Broad-billed Motmot
motmot sp.
Ringed Kingfisher
Belted Kingfisher
Amazon Kingfisher
American Pygmy Kingfisher
Green Kingfisher
White-necked Puffbird
Pied Puffbird
White-whiskered Puffbird
Lanceolated Monklet
White-fronted Nunbird
Rufous-tailed Jacamar
Red-headed Barbet
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prong-billed Barbet
Northern Emerald-Toucanet
Collared Aracari
Yellow-eared Toucanet
Yellow-throated Toucan
Keel-billed Toucan
Olivaceous Piculet
Yellow-bellied Sapsucker
Black-cheeked Woodpecker
Hoffmann's Woodpecker
Smoky-brown Woodpecker
Pale-billed Woodpecker
Lineated Woodpecker
Cinnamon Woodpecker
Rufous-winged Woodpecker
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Golden-olive Woodpecker
woodpecker sp.
Laughing Falcon
Collared Forest-Falcon
Slaty-backed Forest-Falcon
Barred Forest-Falcon
Crested Caracara
Yellow-headed Caracara
American Kestrel
Merlin
Bat Falcon
Peregrine Falcon
falcon sp.
Red-fronted Parrotlet
Barred Parakeet
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Orange-chinned Parakeet
Brown-hooded Parrot
White-crowned Parrot
Red-lored Amazon
White-fronted Amazon
Mealy Amazon
amazon sp.
Olive-throated Parakeet
Blue-and-yellow Macaw
Scarlet Macaw
large macaw sp.
Crimson-fronted Parakeet
large parakeet sp. (former Aratinga sp.)
parakeet sp.
parrot sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Fasciated Antshrike
Great Antshrike
Barred Antshrike
Black-crowned Antshrike
Russet Antshrike
Plain Antvireo
Streak-crowned Antvireo
Checker-throated Stipplethroat
White-flanked Antwren
Slaty Antwren
Dot-winged Antwren
Dusky Antbird
Bare-crowned Antbird
Chestnut-backed Antbird
Dull-mantled Antbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Zeledon's Antbird
Bicolored Antbird
Spotted Antbird
Ocellated Antbird
Scaled Antpitta
Thicket Antpitta
Ochre-breasted Antpitta
Silvery-fronted Tapaculo
Black-faced Antthrush
Black-headed Antthrush
Middle American Leaftosser
Scaly-throated Leaftosser
Gray-throated Leaftosser
Olivaceous Woodcreeper
Piping Woodcreeper
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ruddy Woodcreeper
Plain-brown Woodcreeper
Wedge-billed Woodcreeper
Northern Barred-Woodcreeper
Black-banded Woodcreeper
Cocoa Woodcreeper
Black-striped Woodcreeper
Spotted Woodcreeper
Brown-billed Scythebill
Streak-headed Woodcreeper
woodcreeper sp.
Northern Plain-Xenops
Scaly-throated Foliage-gleaner
Lineated Foliage-gleaner
Fawn-throated Foliage-gleaner
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western Woodhaunter
Spotted Barbtail
Red-faced Spinetail
Slaty Spinetail
Synallaxis sp.
White-ruffed Manakin
White-collared Manakin
Red-capped Manakin
manakin sp.
Bare-necked Umbrellabird
Lovely Cotinga
Rufous Piha
Three-wattled Bellbird
Black-crowned Tityra
Masked Tityra
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
tityra sp.
Northern Schiffornis
Cinnamon Becard
White-winged Becard
Sharpbill
Tropical Royal Flycatcher
Ruddy-tailed Flycatcher
Sulphur-rumped Flycatcher
Myiobius sp.
White-throated Spadebill
Golden-crowned Spadebill
Olive-streaked Flycatcher
Ochre-bellied Flycatcher
Sepia-capped Flycatcher
Slaty-capped Flycatcher
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rufous-browed Tyrannulet
Black-capped Pygmy-Tyrant
Scale-crested Pygmy-Tyrant
Northern Bentbill
Slate-headed Tody-Flycatcher
Common Tody-Flycatcher
Black-headed Tody-Flycatcher
Eye-ringed Flatbill
Yellow-olive Flatbill
Yellow-winged Flatbill
Yellow-bellied Tyrannulet
Brown-capped Tyrannulet
Northern Beardless-Tyrannulet
Yellow Tyrannulet
Yellow-bellied Elaenia
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mountain Elaenia
elaenia sp. (genus Elaenia)
Torrent Tyrannulet
Mistletoe Tyrannulet
Tufted Flycatcher
Olive-sided Flycatcher
Dark Pewee
Western Wood-Pewee
Northern Tropical Pewee
tropical pewee sp.
Eastern Wood-Pewee
Western/Eastern Wood-Pewee
pewee sp. (Contopus sp.)
Yellow-bellied Flycatcher
Acadian Flycatcher
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Alder Flycatcher
Willow Flycatcher
Alder/Willow Flycatcher (Traill's Flycatcher)
White-throated Flycatcher
Least Flycatcher
Yellowish Flycatcher
Empidonax sp.
Black Phoebe
Long-tailed Tyrant
Bright-rumped Attila
Rufous Mourner
Dusky-capped Flycatcher
Great Crested Flycatcher
Myiarchus sp.
Great Kiskadee
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Boat-billed Flycatcher
Social Flycatcher
Gray-capped Flycatcher
White-ringed Flycatcher
Golden-bellied Flycatcher
Streaked Flycatcher
Sulphur-bellied Flycatcher
Piratic Flycatcher
Tropical Kingbird
Western Kingbird
Eastern Kingbird
Scissor-tailed Flycatcher
new world flycatcher sp.
Rufous-browed Peppershrike
Green Shrike-Vireo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Tawny-crowned Greenlet
Lesser Greenlet
Yellow-throated Vireo
Philadelphia Vireo
Red-eyed Vireo
Yellow-green Vireo
Azure-hooded Jay
White-throated Magpie-Jay
Brown Jay
Bank Swallow
Tree Swallow
Mangrove Swallow
Violet-green Swallow
Purple Martin
Gray-breasted Martin
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Northern Rough-winged Swallow
Southern Rough-winged Swallow
Northern/Southern Rough-winged Swallow
Blue-and-white Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Tawny-faced Gnatwren
Long-billed Gnatwren
White-browed Gnatcatcher
Nightingale Wren
Southern House Wren
Ochraceous Wren
Band-backed Wren
Black-throated Wren
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Stripe-breasted Wren
Cabanis's Wren
Canebrake Wren
Cabanis's/Canebrake Wren
Bay Wren
White-breasted Wood-Wren
Gray-breasted Wood-Wren
wood-wren sp.
Song Wren
wren sp.
American Dipper
Gray Catbird
Tropical Mockingbird
Black-faced Solitaire
Slaty-backed Nightingale-Thrush
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black-headed Nightingale-Thrush
Veery
Gray-cheeked Thrush
Swainson's Thrush
Catharus sp.
Wood Thrush
Mountain Thrush
White-throated Thrush
Pale-vented Thrush
Clay-colored Thrush
Turdus sp.
Cedar Waxwing
House Sparrow
Golden-browed Chlorophonia
Yellow-crowned Euphonia
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-vented Euphonia
Yellow-throated Euphonia
Olive-backed Euphonia
Tawny-capped Euphonia
euphonia sp.
Common Chlorospingus
Black-striped Sparrow
Orange-billed Sparrow
Chestnut-capped Brushfinch
Sooty-faced Finch
Rufous-collared Sparrow
Yellow-breasted Chat
Eastern Meadowlark
Red-breasted Meadowlark
Yellow-billed Cacique
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Chestnut-headed Oropendola
Montezuma Oropendola
Scarlet-rumped Cacique
Black-cowled Oriole
Orchard Oriole
Baltimore Oriole
Bullock's/Baltimore Oriole
new world oriole sp.
Red-winged Blackbird
Shiny Cowbird
Bronzed Cowbird
Giant Cowbird
Melodious Blackbird
Great-tailed Grackle
blackbird sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ovenbird
Worm-eating Warbler
Louisiana Waterthrush
Northern Waterthrush
Louisiana/Northern Waterthrush
Golden-winged Warbler
Blue-winged Warbler
Brewster's Warbler (hybrid)
Lawrence's Warbler (hybrid)
Black-and-white Warbler
Prothonotary Warbler
Tennessee Warbler
Gray-crowned Yellowthroat
MacGillivray's Warbler
Mourning Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Kentucky Warbler
Olive-crowned Yellowthroat
Common Yellowthroat
Hooded Warbler
American Redstart
Cape May Warbler
Cerulean Warbler
Tropical Parula
Magnolia Warbler
Bay-breasted Warbler
Blackburnian Warbler
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Black-throated Blue Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Palm Warbler
Yellow-rumped Warbler
Yellow-throated Warbler
Townsend's Warbler
Hermit Warbler
Black-throated Green Warbler
Golden-crowned Warbler
Costa Rican Warbler
Buff-rumped Warbler
Canada Warbler
Wilson's Warbler
Slate-throated Redstart
new world warbler sp.
Hepatic Tanager
Summer Tanager
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Scarlet Tanager
White-winged Tanager
Red-throated Ant-Tanager
Carmiol's Tanager
Black-faced Grosbeak
Black-thighed Grosbeak
Rose-breasted Grosbeak
Rose-breasted/Black-headed Grosbeak
Blue-black Grosbeak
Blue Grosbeak
Indigo Bunting
Painted Bunting
Dickcissel
White-shouldered Tanager
White-lined Tanager
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-throated Shrike-Tanager
Crimson-collared Tanager
Scarlet-rumped Tanager
Blue-and-gold Tanager
Blue-gray Tanager
Yellow-winged Tanager
Palm Tanager
Speckled Tanager
Golden-hooded Tanager
Plain-colored Tanager
Rufous-winged Tanager
Bay-headed Tanager
Emerald Tanager
Silver-throated Tanager
Scarlet-thighed Dacnis
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Blue Dacnis
Shining Honeycreeper
Red-legged Honeycreeper
Green Honeycreeper
Black-and-yellow Tanager
tanager sp. (Thraupidae sp.)
Blue-black Grassquit
Thick-billed Seed-Finch
Variable Seedeater
Morelet's Seedeater
Bananaquit
Yellow-faced Grassquit
Buff-throated Saltator
Black-headed Saltator
Cinnamon-bellied Saltator
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Slate-colored Grosbeak
saltator sp.
passerine sp.

KEY:| = insufficient data | = rare to widespread

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