Data Zone
The site was identified as internationally important for bird conservation 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 List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Black-bellied Whistling-duck Dendrocygna autumnalis | LC | resident (2012) | 25,000 birds | A4, B3a |
| Black Swift Cypseloides niger | VU | resident (2010) | 76 birds | A1 |
| Wood Stork Mycteria americana | LC | resident (2011) | 3,000 birds | A4, B3a |
| Reddish Egret Egretta rufescens | NT | resident (2017) | 67 birds | B1a |
| American White Pelican Pelecanus erythrorhynchos | LC | non-breeding (2017) | 5,000 birds | A4, B3a |
| American Avocet Recurvirostra americana | LC | non-breeding (2017) | 35,659 birds | A4, B3a |
| Black-winged Stilt Himantopus himantopus | LC | resident (2017) | 12,890 birds | A4, B3a |
| Semipalmated Plover Charadrius semipalmatus | LC | non-breeding (2012) | 2,565 birds | A4, B3a |
| Wilson's Plover Charadrius wilsonia | LC | resident (2012) | 500 birds | A4, B3a |
| Snowy Plover Charadrius nivosus | NT | non-breeding (2017) | 473 birds | A4, B1a, B3a |
| Marbled Godwit Limosa fedoa | VU | non-breeding (2017) | 4,018 birds | A4, B3a |
| Red Knot Calidris canutus | NT | winter (2010) | 2,025 birds | B1a, B3a |
| Western Sandpiper Calidris mauri | LC | non-breeding (2011) | 54,011 birds | A4, B3a |
| Short-billed Dowitcher Limnodromus griseus | VU | non-breeding (2018) | 3,050 birds | A4, B3a |
| Black Skimmer Rynchops niger | LC | - (2017) | 700 birds | B3a |
| Heermann's Gull Larus heermanni | NT | resident (2016) | 452 birds | B1a |
| Common Gull-billed Tern Gelochelidon nilotica | LC | breeding (2011) | 480 birds | B3a |
| Forster's Tern Sterna forsteri | LC | winter (2011) | 7,000 birds | A4, B3a |
| Elegant Tern Thalasseus elegans | NT | non-breeding (2019) | 58 birds | B1a |
| Lilac-crowned Amazon Amazona finschi | EN | resident (2019) | 33 birds | A1 |
| Mexican Parrotlet Forpus cyanopygius | NT | resident (2017) | 151 birds | B1a |
| Orange-fronted Parakeet Eupsittula canicularis | VU | resident (2015) | 87 birds | A1 |
| Eastern Meadowlark Sturnella magna | NT | resident (2019) | 153 birds | B1a |
| A4iii Species group - seabirds | n/a | - (2017–2019) | 130,276 birds | B3b |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | 25 | Mangrove |
| 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 23/12/2024.