Complejo Lagunar Ojo de Liebre

IBA Criteria

Year of most recent IBA criteria assessment: 2021

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Brent Goose Branta bernicla LC winter 2012 5,635 individuals B3a
Surf Scoter Melanitta perspicillata LC winter 2013 4,572 individuals B3a
Clark's Grebe Aechmophorus clarkii LC - 2012 190 individuals A4, B3a
Reddish Egret Egretta rufescens NT - 2011 476 individuals A4, B1a, B3a
Double-crested Cormorant Nannopterum auritus LC - 2013 4,210 individuals B3a
Brandt's Cormorant Urile penicillatus LC - 2014 7,000 individuals A4, B3a
Grey Plover Pluvialis squatarola LC - 2013 9,797 individuals A4, B3a
Wilson's Plover Charadrius wilsonia LC - 2018 75 individuals A4, B3a
Snowy Plover Charadrius nivosus NT - 2013 783 individuals A4, B1a, B3a
Whimbrel Numenius phaeopus LC winter 2011 612 individuals B3a
Long-billed Curlew Numenius americanus LC - 2011 1,416 individuals A4, B3a
Marbled Godwit Limosa fedoa LC - 2013 81,225 individuals A4, B3a
Red Knot Calidris canutus NT winter 2012 2,860 individuals B1a, B3a
Dunlin Calidris alpina LC winter 2011 11,916 individuals B3a
Western Sandpiper Calidris mauri LC - 2013 103,808 individuals B3a
Short-billed Dowitcher Limnodromus griseus LC - 2016 14,939 individuals A4, B3a
Red-necked Phalarope Phalaropus lobatus LC - 2016 92,506 individuals A4, B3a
Willet Tringa semipalmata LC - 2011 10,485 individuals A4, B3a
Black Skimmer Rynchops niger LC winter 2011 336 individuals B3a
Bonaparte's Gull Larus philadelphia LC passage 2011 5,000 individuals A4, B3a
Heermann's Gull Larus heermanni NT resident 2012 439 individuals B1a
Least Tern Sternula antillarum LC - 2011 220 individuals B3a
Common Gull-billed Tern Gelochelidon nilotica LC breeding 2011 81 individuals B3a
Elegant Tern Thalasseus elegans NT - 2011 200 individuals B1a
Royal Tern Thalasseus maximus LC - 2011 7,500 individuals A4, B3a
A4iii Species group - waterbirds n/a non-breeding 2011-2018 218,892 individuals B3b

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Whale Sanctuary of El Vizcaino World Heritage Site (natural or mixed) 370,950 protected area overlaps with site 0
Valle de Los Cirios Área de Protección de Flora y Fauna 2,521,988 protected area overlaps with site 13,844
Laguna Ojo de Liebre Ramsar Site, Wetland of International Importance 36,600 protected area overlaps with site 6,236
Islas del Pacífico de la Península de Baja California Reserva de la Biosfera 1,161,223 protected area is adjacent to site 0
El Vizcaíno Reserva de la Biosfera 2,198,617 protected area overlaps with site 115,096
El Vizcaíno UNESCO-MAB Biosphere Reserve 2,546,790 protected area overlaps with site 0
Complejo Lagunar Ojo de Liebre Reserva de la Biosfera 79,329 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Other -
Coastline Sand dunes & beaches -
Unknown -
Wetlands (inland) Freshwater lakes & pools -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
urban/industrial/transport -
nature conservation and research -
not utilised -
For further information about the land use classification please click here.

Land ownership
Tenencia de la tierra: Ejidal y federal.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Complejo Lagunar Ojo de Liebre. Downloaded from on 30/09/2022.