El Salvador Ramsar wetland
Lake Olomega
257 bird species recorded; the most in February.
NASA · Public domain
This month here
121 species in January.211 species in February.121 species in March.130 species in April.74 species in May.41 species in June.83 species in July.167 species in August.102 species in September.61 species in October.32 species in November.53 species in December.
The birds you are most likely to see in the month you choose, those that come for the season first. It opens on today's month.





















































































































































































































































- Resident all year
- Summer visitor comes to breed
- Winter visitor comes for the winter
- Passage migrant in spring and autumn
In numbers
257 species, counted.
Our own rating, from the records only: species (50 points), threatened species (20), migrants (20) and protected status — Ramsar, IBA, SPA, observatory (10).
- 257Speciesrecorded more than once
- 95Migrantssummer, winter or passage visitors
- 3ThreatenedVulnerable, Endangered or Critically Endangered (IUCN)
- 8,345Recordsopen records within 6 km
- 64 mAltitudeabove the sea
- 24Raptors
- 5Owls
- 13Waders
- 8Gulls & seabirds
- 11Ducks & geese
- 24Herons, ibises & grebes
- 1Storks & cranes
- 107Songbirds
- 64Other birds
From open records (eBird and others, through GBIF, licensed for any use). More birdwatchers mean more records: a quiet place may have more birds than it shows.
The checklist
All 257 species.
By group, with the year in twelve cells: the darker the cell, the more often the bird is recorded that month.
Raptors24 species
- Turkey VultureCathartes aura
- Black VultureCoragyps atratus
- OspreyPandion haliaetus
- Roadside HawkRupornis magnirostris
- Snail KiteRostrhamus sociabilis
- Crested CaracaraCaracara plancus
- Common Black HawkButeogallus anthracinus
- Grey-lined HawkButeo nitidus
- Harris's HawkParabuteo unicinctus
- Laughing FalconHerpetotheres cachinnans
- Peregrine FalconFalco peregrinus
- Zone-tailed HawkButeo albonotatus
- White-tailed KiteElanus leucurus
- Crane HawkGeranospiza caerulescens
- Great Black HawkButeogallus urubitinga
- Black-collared HawkBusarellus nigricollis
- Collared Forest FalconMicrastur semitorquatus
- King VultureSarcoramphus papa
- Red-tailed HawkButeo jamaicensis
- Ornate Hawk-EagleSpizaetus ornatusNT
- Hen HarrierCircus cyaneus
- Hook-billed KiteChondrohierax uncinatus
- Grey-headed KiteLeptodon cayanensis
- Bat FalconFalco rufigularis
Owls5 species
- Ferruginous Pygmy OwlGlaucidium brasilianum
- Spectacled OwlPulsatrix perspicillata
- Black-and-white OwlStrix nigrolineata
- Mottled OwlStrix virgata
- Striped OwlPseudoscops clamator
Waders13 species
- Northern JacanaJacana spinosa
- Spotted SandpiperActitis macularius
- Black-necked StiltHimantopus mexicanus
- KilldeerCharadrius vociferusNT
- Least SandpiperCalidris minutillaNT
- Southern LapwingVanellus chilensis
- Solitary SandpiperTringa solitaria
- Pectoral SandpiperCalidris melanotos
- Greater YellowlegsTringa melanoleucaNT
- Lesser yellowlegsTringa flavipesVU
- Wilson's PhalaropePhalaropus tricolor
- Semipalmated PloverCharadrius semipalmatus
- Double-striped Thick-kneeBurhinus bistriatus
Gulls & seabirds8 species
- Magnificent FrigatebirdFregata magnificens
- Laughing GullLeucophaeus atricilla
- Gull-billed TernGelochelidon nilotica
- Caspian TernHydroprogne caspia
- Black TernChlidonias niger
- Black SkimmerRynchops niger
- Royal TernThalasseus maximus
- Elegant TernThalasseus elegansNT
Ducks & geese11 species
- Black-bellied Whistling DuckDendrocygna autumnalis
- Blue-winged TealSpatula discors
- Fulvous Whistling-duckDendrocygna bicolor
- Cairina moschataCairina moschata
- Lesser ScaupAythya affinis
- Northern ShovelerSpatula clypeata
- Ruddy DuckOxyura jamaicensis
- Ring-necked DuckAythya collaris
- Northern PintailAnas acuta
- American WigeonMareca americana
- Masked DuckNomonyx dominicus
Herons, ibises & grebes24 species
- Great White EgretArdea alba
- Phalacrocorax brasilianusPhalacrocorax brasilianus
- Green HeronButorides virescens
- Little Blue HeronEgretta caerulea
- Snowy EgretEgretta thula
- Western Cattle EgretBubulcus ibis
- Great Blue HeronArdea herodias
- Least GrebeTachybaptus dominicus
- Tricolored HeronEgretta tricolor
- Black-crowned Night-HeronNycticorax nycticorax
- American White PelicanPelecanus erythrorhynchos
- AnhingaAnhinga anhinga
- Pied-billed GrebePodilymbus podiceps
- Yellow-crowned Night-HeronNyctanassa violacea
- White IbisEudocimus albus
- Roseate SpoonbillPlatalea ajaja
- Boat-billed HeronCochlearius cochlearius
- Glossy IbisPlegadis falcinellus
- Bare-throated Tiger-heronTigrisoma mexicanum
- Brown PelicanPelecanus occidentalis
- Striated HeronButorides striata
- Pinnated BitternBotaurus pinnatus
- Least BitternIxobrychus exilis
- Plegadis chihiPlegadis chihi
Storks & cranes1 species
- Wood StorkMycteria americana
Songbirds107 species
- Quiscalus mexicanusQuiscalus mexicanus
- Tropical KingbirdTyrannus melancholicus
- Great KiskadeePitangus sulphuratus
- Agelaius phoeniceusAgelaius phoeniceus
- Social FlycatcherMyiozetetes similis
- Barn swallowHirundo rustica
- Streak-backed OrioleIcterus pustulatus
- Ruddy-breasted SeedeaterSporophila minuta
- Clay-colored ThrushTurdus grayi
- Rufous-backed WrenCampylorhynchus capistratus
- Rose-throated BecardPachyramphus aglaiae
- Mangrove SwallowTachycineta albilinea
- Mangrove WarblerSetophaga petechia
- Saltator grandisSaltator grandis
- Melodious BlackbirdDives dives
- Scissor-tailed FlycatcherTyrannus forficatus
- Orchard orioleIcterus spurius
- Blue-black GrassquitVolatinia jacarina
- Willow FlycatcherEmpidonax traillii
- Gray-breasted MartinProgne chalybea
- White-throated Magpie-JayCalocitta formosa
- White-lored GnatcatcherPolioptila albiloris
- Common Tody-flycatcherTodirostrum cinereum
- Barred AntshrikeThamnophilus doliatus
- Stripe-headed SparrowPeucaea ruficauda
- Baltimore OrioleIcterus galbula
- Dusky-capped FlycatcherMyiarchus tuberculifer
- Ivory-billed WoodcreeperXiphorhynchus flavigaster
- Great Crested FlycatcherMyiarchus crinitus
- Rufous-breasted SpinetailSynallaxis erythrothorax
- Morelet's SeedeaterSporophila morelleti
- Altamira OrioleIcterus gularis
- Fan-tailed WarblerBasileuterus lachrymosus
- Tennessee WarblerLeiothlypis peregrina
- Yellow-olive FlatbillTolmomyias sulphurescens
- Streak-headed WoodcreeperLepidocolaptes souleyetii
- Banded WrenThryophilus pleurostictus
- Northern Beardless-TyrannuletCamptostoma imberbe
- Red-eyed VireoVireo olivaceus
- Scrub EuphoniaEuphonia affinis
- Common YellowthroatGeothlypis trichas
- Painted BuntingPasserina ciris
- Brown-crested FlycatcherMyiarchus tyrannulus
- Long-tailed ManakinChiroxiphia linearis
- Western KingbirdTyrannus verticalis
- Blue GrosbeakPasserina caerulea
- Northern WaterthrushParkesia noveboracensis
- Greenish ElaeniaMyiopagis viridicata
- Sulphur-bellied FlycatcherMyiodynastes luteiventris
- Cabanis's WrenCantorchilus modestus
- Nutting's FlycatcherMyiarchus nuttingi
- House SparrowPasser domesticus
- Blue BuntingCyanocompsa parellina
- Spot-breasted OrioleIcterus pectoralis
- Rock WrenSalpinctes obsoletus
- American Yellow WarblerSetophaga aestiva
- Boat-billed FlycatcherMegarynchus pitangua
- Rufous-browed PeppershrikeCyclarhis gujanensis
- Rufous-capped WarblerBasileuterus rufifrons
- Tropical MockingbirdMimus gilvus
- Least FlycatcherEmpidonax minimus
- Yellow-billed CaciqueAmblycercus holosericeus
- Summer TanagerPiranga rubra
- Northern BentbillOncostoma cinereigulare
- Blue-gray TanagerThraupis episcopus
- Lesser GreenletHylophilus decurtatus
- Masked TityraTityra semifasciata
- Indigo BuntingPasserina cyanea
- Red-throated Ant TanagerHabia fuscicauda
- Red-crowned Ant-tanagerHabia rubica
- Black-headed SaltatorSaltator atriceps
- Veracruz WrenCampylorhynchus rufinucha
- Bright-rumped AttilaAttila spadiceus
- Bell's VireoVireo bellii
- Northern Rough-winged SwallowStelgidopteryx serripennis
- Amazonian Royal FlycatcherOnychorhynchus coronatus
- Yellow-throated VireoVireo flavifrons
- Rose-breasted GrosbeakPheucticus ludovicianus
- Magnolia WarblerSetophaga magnolia
- American Cliff SwallowPetrochelidon pyrrhonota
- Yellow-bellied ElaeniaElaenia flavogaster
- Tropical PeweeContopus cinereus
- Bronzed CowbirdMolothrus aeneus
- Amazonian Barred-WoodcreeperDendrocolaptes certhia
- Yellow-green VireoVireo flavoviridis
- Western TanagerPiranga ludoviciana
- Cave SwallowPetrochelidon fulva
- Black-and-white WarblerMniotilta varia
- Spot-breasted WrenPheugopedius maculipectus
- Yellow-bellied FlycatcherEmpidonax flaviventris
- Ash-throated FlycatcherMyiarchus cinerascens
- Blue-gray GnatcatcherPolioptila caerulea
- Red-legged HoneycreeperCyanerpes cyaneus
- American RedstartSetophaga ruticilla
- Yellow-breasted ChatIcteria virens
- DickcisselSpiza americana
- Canada warblerCardellina canadensis
- Wilson's WarblerCardellina pusilla
- Ramphocaenus melanurusRamphocaenus melanurus
- Olivaceous WoodcreeperSittasomus griseicapillus
- Northern Barred WoodcreeperDendrocolaptes sanctithomae
- Yellow-winged TanagerThraupis abbas
- Sand MartinRiparia riparia
- OvenbirdSeiurus aurocapilla
- Stub-tailed SpadebillPlatyrinchus cancrominus
- Western Wood-PeweeContopus sordidulus
- Savannah SparrowPasserculus sandwichensis
Other birds64 species
- Groove-billed AniCrotophaga sulcirostris
- White-winged DoveZenaida asiatica
- Inca DoveColumbina inca
- Ruddy Ground DoveColumbina talpacoti
- LimpkinAramus guarauna
- White-tipped DoveLeptotila verreauxi
- Golden-fronted WoodpeckerMelanerpes aurifrons
- Turquoise-browed MotmotEumomota superciliosa
- Orange-chinned ParakeetBrotogeris jugularis
- American CootFulica americana
- Aratinga canicularisAratinga canicularis
- Common MoorhenGallinula chloropus
- Black-headed TrogonTrogon melanocephalus
- Red-billed PigeonPatagioenas flavirostris
- Purple GallinulePorphyrio martinica
- Lesser Ground CuckooMorococcyx erythropygus
- Ringed KingfisherMegaceryle torquata
- Cinnamon HummingbirdAmazilia rutila
- Belted KingfisherMegaceryle alcyon
- PauraqueNyctidromus albicollis
- Aratinga strenuaAratinga strenua
- Striped CuckooTapera naevia
- Spot-bellied BobwhiteColinus leucopogon
- Common Squirrel-cuckooPiaya cayana
- Rock DoveColumba livia
- White-bellied ChachalacaOrtalis leucogastra
- Mourning DoveZenaida macroura
- Mangrove CuckooCoccyzus minor
- Collared AraçariPteroglossus torquatus
- Ruby-throated HummingbirdArchilochus colubris
- Green KingfisherChloroceryle americana
- Trogon elegansTrogon elegans
- Lineated WoodpeckerDryocopus lineatus
- SoraPorzana carolina
- Pale-billed WoodpeckerCampephilus guatemalensis
- Golden-olive WoodpeckerColaptes rubiginosus
- Common Ground-DoveColumbina passerina
- Berylline HummingbirdSaucerottia beryllina
- Thicket TinamouCrypturellus cinnamomeus
- Yellow-naped AmazonAmazona auropalliataCR
- Smoky-brown WoodpeckerLeuconotopicus fumigatus
- Ruddy CrakeLaterallus ruber
- Amazon KingfisherChloroceryle amazona
- Lesser NighthawkChordeiles acutipennis
- Green-breasted MangoAnthracothorax prevostii
- Gartered TrogonTrogon caligatus
- Blue Ground DoveClaravis pretiosa
- Lesser RoadrunnerGeococcyx velox
- Pheasant CuckooDromococcyx phasianellus
- Cynanthus canivetiiCynanthus canivetii
- Chlorestes eliciaeChlorestes eliciae
- Lesson's MotmotMomotus lessonii
- Velasquez's WoodpeckerMelanerpes santacruzi
- Yellow-breasted CrakePorzana flaviventer
- Guianan PuffbirdNotharchus macrorhynchos
- Great CurassowCrax rubraVU
- American Pygmy KingfisherChloroceryle aenea
- Plain-capped StarthroatHeliomaster constantii
- Common PotooNyctibius griseus
- Scarlet MacawAra macao
- Eastern Whip-poor-willAntrostomus vociferusNT
- Yellow-billed CuckooCoccyzus americanus
- Common PotooNyctibius jamaicensis
- Plain ChachalacaOrtalis vetula
Monthly presence relative to all bird records that month, so a busy month does not inflate every species.
When to go
The most species in February.
Species recorded in each month, with the usual temperature and rain.
- Jan33°/21°3 mm
- Feb34°/22°3 mm
- Mar35°/23°6 mm
- Apr35°/24°34 mm
- May32°/24°190 mm
- Jun30°/24°199 mm
- Jul31°/23°136 mm
- Aug31°/24°186 mm
- Sep29°/23°246 mm
- Oct29°/23°216 mm
- Nov30°/21°41 mm
- Dec31°/21°10 mm
- Bar: species recorded that month.
- Temperature: average maximum / minimum (NASA, 1991–2020).
- Rain: monthly total.
The place
Lake Olomega.
Lake in El Salvador
Lake Olomega is a wetland of international importance (Ramsar) in El Salvador.
257 bird species have been recorded here more than once, in 8,345 open records.
The most recorded are the Northern Jacana, the Great White Egret and the Turkey Vulture.
43 species come for the summer, 38 for the winter and 14 only pass through.
3 are threatened worldwide, including Yellow-naped Amazon, Great Curassow and Lesser yellowlegs.
The most species are recorded in February.

Get there and watch
- Chirilaguanearest town · 13 km in a straight line
- El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez (SAL)nearest airport with scheduled flights · 108 km in a straight lineCar hire at SAL airport (San Salvador)Discover Cars · sponsored link↗
Plan the visit
A guided walk, a bed nearby, a car.
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
From above
The place and its surroundings.
The satellite image of the 6 × 6 km around the place, with the bird hides, towers and trails that OpenStreetMap shows.

Around, in OpenStreetMap
- bird hides within 6 km
- observation towers within 6 km
- marked trails within 4 km
- visitor centres within 6 km
- viewpoints within 5 km
- car parks within 3 km
- restaurants and cafés within 3 km
- campsites within 10 km
- places to stay within 10 km
Counted in OpenStreetMap, the map anyone can edit. A low number may just mean nobody has mapped it yet.
In our other atlases
Around Lake Olomega.
The lakes, beaches, islands, rivers and mountains around this place, and its night sky, in the family's atlases.
Figures from the sister sites' databases (Wikidata, HydroATLAS, GeoNames, OpenStreetMap). Links open when each site is online.
Other places nearby.
Where these figures come from
| Name and type | Wikidata (Q6477193) · CC0 |
|---|---|
| Birds | 8,345 open bird records within 6 km (GBIF, CC0 and CC BY 4.0 only; mostly eBird, Cornell Lab of Ornithology) |
| See these records | gbif.org |
| Species | GBIF Backbone Taxonomy · CC BY 4.0; Wikidata (CC0); Wikimedia Commons |
| Altitude | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Temperature and rain | NASA POWER (CERES SYN1deg, 2001–2020; MERRA-2) |
| What is around | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Sister atlases | Peakyas, Coastya, Lakeyas |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?
Same idea, other landscapes: field atlases built on open data, in seven languages.



