Complejo Lagunar Ojo de Liebre

IBA Justification

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'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
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 resident 2011 476 individuals A4, B1a, B3a
Double-crested Cormorant Nannopterum auritus LC resident 2013 4,210 individuals B3a
Brandt's Cormorant Urile penicillatus LC resident 2014 7,000 individuals A4, B3a
Grey Plover Pluvialis squatarola LC non-breeding 2013 9,797 individuals A4, B3a
Wilson's Plover Charadrius wilsonia LC resident 2018 75 individuals A4, B3a
Snowy Plover Charadrius nivosus NT resident 2013 783 individuals A4, B1a, B3a
Whimbrel Numenius phaeopus LC winter 2011 612 individuals B3a
Long-billed Curlew Numenius americanus LC non-breeding 2011 1,416 individuals A4, B3a
Marbled Godwit Limosa fedoa LC non-breeding 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 non-breeding 2013 103,808 individuals B3a
Short-billed Dowitcher Limnodromus griseus LC non-breeding 2016 14,939 individuals A4, B3a
Red-necked Phalarope Phalaropus lobatus LC - 2016 92,506 individuals A4, B3a
Willet Tringa semipalmata LC non-breeding 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 breeding 2011 220 individuals B3a
Common Gull-billed Tern Gelochelidon nilotica LC breeding 2011 81 individuals B3a
Elegant Tern Thalasseus elegans NT non-breeding 2011 200 individuals B1a
Royal Tern Thalasseus maximus LC resident 2011 7,500 individuals A4, B3a
A4iii Species group - waterbirds n/a non-breeding 2011-2018 218,892 individuals B3b

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2021).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA 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


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Marine Intertidal -
Marine Coastal/Supratidal -
Desert -
Marine Neritic -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
urban/industrial/transport -
nature conservation and research -
not utilised -

Land ownership
Tenencia de la tierra: Ejidal y federal.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Complejo Lagunar Ojo de Liebre. Downloaded from on 01/12/2023.