Mexico Ramsar wetland
Constitution 1857 National Park
37 bird species recorded; the most in May.
marcel m. · CC BY-SA 2.0
This month here
0 species in January.4 species in February.7 species in March.11 species in April.19 species in May.15 species in June.5 species in July.5 species in August.15 species in September.1 species in October.6 species in November.2 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.
No records for this month.














































No records for this month.


- Resident all year
- Summer visitor comes to breed
- Winter visitor comes for the winter
- Passage migrant in spring and autumn
In numbers
37 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).
- 37Speciesrecorded more than once
- 10Migrantssummer, winter or passage visitors
- 0ThreatenedVulnerable, Endangered or Critically Endangered (IUCN)
- 186Recordsopen records within 6 km
- 1,066 mAltitudeabove the sea
- 3Raptors
- 1Ducks & geese
- 26Songbirds
- 7Other 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 37 species.
By group, with the year in twelve cells: the darker the cell, the more often the bird is recorded that month.
Raptors3 species
- Hen HarrierCircus cyaneus
- Red-tailed HawkButeo jamaicensis
- Turkey VultureCathartes aura
Ducks & geese1 species
- MallardAnas platyrhynchos
Songbirds26 species
- California Scrub JayAphelocoma californica
- Junco hyemalisJunco hyemalis
- Lesser GoldfinchSpinus psaltria
- Bewick's WrenThryomanes bewickii
- Lawrence's GoldfinchSpinus lawrencei
- Western BluebirdSialia mexicana
- Ash-throated FlycatcherMyiarchus cinerascens
- Bell's VireoVireo bellii
- American BushtitPsaltriparus minimus
- Pine SiskinSpinus pinus
- Grey VireoVireo vicinior
- Eastern TowheePipilo erythrophthalmus
- WrentitChamaea fasciata
- Scott's OrioleIcterus parisorum
- White-crowned sparrowZonotrichia leucophrys
- California TowheeMelozone crissalis
- Brewer's BlackbirdEuphagus cyanocephalusNT
- Ruby-crowned KingletRegulus calendula
- Black-headed GrosbeakPheucticus melanocephalus
- PhainopeplaPhainopepla nitens
- Violet-green SwallowTachycineta thalassina
- Golden-crowned SparrowZonotrichia atricapilla
- Northern House WrenTroglodytes aedon
- Orange-crowned WarblerLeiothlypis celata
- House finchHaemorhous mexicanus
- Common StarlingSturnus vulgaris
Other birds7 species
- Acorn WoodpeckerMelanerpes formicivorus
- Yellow-shafted FlickerColaptes auratus
- California QuailCallipepla californica
- Mourning DoveZenaida macroura
- Mountain QuailOreortyx pictus
- Costa's HummingbirdCalypte costae
- Black-chinned HummingbirdArchilochus alexandri
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 May.
Species recorded in each month, with the usual temperature and rain.
- Jan15°/3°31 mm
- Feb16°/3°48 mm
- Mar19°/5°25 mm
- Apr21°/6°13 mm
- May26°/9°5 mm
- Jun31°/14°6 mm
- Jul34°/18°4 mm
- Aug34°/18°5 mm
- Sep31°/16°7 mm
- Oct25°/11°13 mm
- Nov19°/6°21 mm
- Dec15°/3°42 mm
- Bar: species recorded that month.
- Temperature: average maximum / minimum (NASA, 1991–2020).
- Rain: monthly total.
The place
Constitution 1857 National Park.
National park in Mexico
Constitution 1857 National Park is a wetland of international importance (Ramsar) in Mexico, 1,066 m above the sea.
37 bird species have been recorded here more than once, in 186 open records.
The most recorded are the California Scrub Jay, the Junco hyemalis and the Acorn Woodpecker.
8 species come for the summer, 1 for the winter and 1 only pass through.
The most species are recorded in May.

Get there and watch
- Rancho Casa Verdeplace to stay · 7.3 km · 1 within 10 km
- Fraccionamiento del Vallenearest town · 20 km in a straight line
- General Abelardo L. Rodriguez International Airport (TIJ)nearest airport with scheduled flights · 102 km in a straight lineCar hire at TIJ airport (Tijuana)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
- 1places to stay within 10 kmRancho Casa Verde
- 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
Counted in OpenStreetMap, the map anyone can edit. A low number may just mean nobody has mapped it yet.
In our other atlases
Around Constitution 1857 National Park.
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.
Photographs
The place, as people saw it.

Where these figures come from
| Name and type | Wikidata (Q5164083) · CC0 |
|---|---|
| Birds | 186 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 |
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.



