Data Zone
The site was identified as important in 2021 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Black-bellied Whistling-duck Dendrocygna autumnalis | LC | resident | 2012 | 25,000 individuals | A4, B3a |
| Black Swift Cypseloides niger | VU | resident | 2010 | 76 individuals | A1 |
| Wood Stork Mycteria americana | LC | resident | 2011 | 3,000 individuals | A4, B3a |
| Reddish Egret Egretta rufescens | NT | resident | 2017 | 67 individuals | B1a |
| American White Pelican Pelecanus erythrorhynchos | LC | non-breeding | 2017 | 5,000 individuals | A4, B3a |
| American Avocet Recurvirostra americana | LC | non-breeding | 2017 | 35,659 individuals | A4, B3a |
| Black-winged Stilt Himantopus himantopus | LC | resident | 2017 | 12,890 individuals | A4, B3a |
| Semipalmated Plover Charadrius semipalmatus | LC | non-breeding | 2012 | 2,565 individuals | A4, B3a |
| Wilson's Plover Charadrius wilsonia | LC | resident | 2012 | 500 individuals | A4, B3a |
| Snowy Plover Charadrius nivosus | NT | non-breeding | 2017 | 473 individuals | A4, B1a, B3a |
| Marbled Godwit Limosa fedoa | VU | non-breeding | 2017 | 4,018 individuals | A4, B3a |
| Red Knot Calidris canutus | NT | winter | 2010 | 2,025 individuals | B1a, B3a |
| Western Sandpiper Calidris mauri | LC | non-breeding | 2011 | 54,011 individuals | A4, B3a |
| Short-billed Dowitcher Limnodromus griseus | VU | non-breeding | 2018 | 3,050 individuals | A4, B3a |
| Black Skimmer Rynchops niger | LC | - | 2017 | 700 individuals | B3a |
| Heermann's Gull Larus heermanni | NT | resident | 2016 | 452 individuals | B1a |
| Common Gull-billed Tern Gelochelidon nilotica | LC | breeding | 2011 | 480 individuals | B3a |
| Forster's Tern Sterna forsteri | LC | winter | 2011 | 7,000 individuals | A4, B3a |
| Elegant Tern Thalasseus elegans | NT | non-breeding | 2019 | 58 individuals | B1a |
| Lilac-crowned Amazon Amazona finschi | EN | resident | 2019 | 33 individuals | A1 |
| Mexican Parrotlet Forpus cyanopygius | NT | resident | 2017 | 151 individuals | B1a |
| Orange-fronted Parakeet Eupsittula canicularis | VU | resident | 2015 | 87 individuals | A1 |
| Eastern Meadowlark Sturnella magna | NT | resident | 2019 | 153 individuals | B1a |
| A4iii Species group - seabirds | n/a | - | 2017-2019 | 130,276 individuals | B3b |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2021) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1995 | Marismas Nacionales | Ramsar Site, Wetland of International Importance | 38 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Forest | Mangrove | 25 |
| Wetlands (inland) | major (>10) |
| Land use | % of IBA |
|---|---|
| agriculture | 27 |
| nature conservation and research | 25 |
| rangeland/pastureland | 20 |
| forestry | 10 |
| urban/industrial/transport | 6 |
| other | 4 |
| urban/industrial/transport | 3 |
| tourism/recreation | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Marismas Nacionales (Mexico). Downloaded from
https://datazone.birdlife.org/site/factsheet/marismas-nacionales-iba-mexico on 22/11/2024.