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Location Belize, Belize
Central coordinates 88o 31.75' West  17o 38.04' North
IBA criteria A1, A2, A3, A4i, A4iii
Area 160,345 ha
Altitude 2 - 30m
Year of IBA assessment 2007

Belize Audubon Society



Ornithological information This 160,345 ha area has 400 recorded species of which 277 are residents, 243 are known or thought to breed in the area, 155 are species not known to nest in the area and 123 that are considered migrants. These include species that meet the A1, A2, A3, A4i, A4iii trigger criteria.

Site description This area is comprised of the Crooked Tree Wildlife Sanctuary which is also a RAMSAR site, Lamanai Archaeological Reserve, Monkey Bay National Park, Monkey Bay – a private reserve, Runaway Creek – a private reserve and the Manatee Forest Reserve. Crooked Tree and the surrounding wetlands make up a complex that was identified as important during the water bird risk assessment.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Plain Chachalaca Ortalis vetula resident  1990-2007  abundant individuals  poor  A3  Least Concern 
Great Curassow Crax rubra resident  1990-2007  present individuals  poor  A1  Vulnerable 
Black-throated Bobwhite Colinus nigrogularis resident  1990-2007  present [units unknown]  A3  Least Concern 
Black-bellied Whistling-duck Dendrocygna autumnalis resident  1990-2007  abundant individuals  good  A4i  Least Concern 
Blue-winged Teal Anas discors passage  1990-2007  abundant individuals  good    Least Concern 
Pied-billed Grebe Podilymbus podiceps passage  1990-2007  frequent individuals  poor    Least Concern 
Wood Stork Mycteria americana resident  1990-2007  abundant individuals  medium    Least Concern 
Jabiru Jabiru mycteria resident  1969-2007  common individuals  medium    Least Concern 
Agami Heron Agamia agami resident  1990-2007  frequent individuals  medium    Vulnerable 
Boat-billed Heron Cochlearius cochlearius resident  1990-2007  common individuals  poor    Least Concern 
Yellow-crowned Night-heron Nyctanassa violacea passage  1990-2007  frequent individuals  poor    Least Concern 
Great Blue Heron Ardea herodias passage  1990-2007  frequent individuals  poor    Least Concern 
Reddish Egret Egretta rufescens resident  1990-2007  frequent individuals  poor    Near Threatened 
Ruddy Crake Laterallus ruber resident  1990-2007  frequent individuals  poor    Least Concern 
Yellow-lored Amazon Amazona xantholora resident  1990-2007  common individuals  medium  A3  Least Concern 
Yellow-headed Amazon Amazona oratrix resident  1990-2007  frequent individuals  poor  A1  Endangered 
Yucatan Poorwill Nyctiphrynus yucatanicus resident  1990-2007  present individuals  poor  A3  Least Concern 
Yucatan Nightjar Caprimulgus badius resident  1990-2007  uncommon [units unknown]  A3  Least Concern 
Wedge-tailed Sabrewing Campylopterus curvipennis resident  1990-2007  present [units unknown]  A3  Least Concern 
Buff-bellied Hummingbird Amazilia yucatanensis resident  1990-2007  present [units unknown]  A3  Least Concern 
Yucatan Woodpecker Melanerpes pygmaeus resident  1990-2007  frequent individuals  poor  A3  Least Concern 
Chestnut-coloured Woodpecker Celeus castaneus resident  1990-2007  present individuals  poor  A3  Least Concern 
White-collared Manakin Manacus candei resident  1990-2007  frequent [units unknown]  A3  Least Concern 
Lovely Cotinga Cotinga amabilis resident  1990-2007  rare individuals  poor  A3  Least Concern 
Greater Pewee Contopus pertinax passage  1990-2007  present [units unknown]    Least Concern 
Couch's Kingbird Tyrannus couchii resident  1990-2007  present [units unknown]  A3  Least Concern 
Yucatan Flycatcher Myiarchus yucatanensis resident  1990-2007  present [units unknown]  A3  Least Concern 
Tawny-winged Woodcreeper Dendrocincla anabatina resident  1990-2007  present individuals  poor  A3  Least Concern 
Green Shrike-vireo Vireolanius pulchellus resident  1990-2007  present [units unknown]    Least Concern 
White-eyed Vireo Vireo griseus passage  1990-2007  present [units unknown]    Least Concern 
Yucatan Vireo Vireo magister resident  1990-2007  present [units unknown]  A2, A3  Least Concern 
Yucatan Jay Cyanocorax yucatanicus resident  1990-2007  present individuals  poor  A3  Least Concern 
Black Catbird Melanoptila glabrirostris resident  1990-2007  frequent individuals  poor  A1, A2, A3  Near Threatened 
Montezuma Oropendola Psarocolius montezuma resident  1990-2007  frequent individuals  poor  A3  Least Concern 
Orange Oriole Icterus auratus resident  1990-2007  present individuals  poor  A3  Least Concern 
White-collared Seedeater Sporophila torqueola resident  1990-2007  abundant individuals  poor    Least Concern 
Green-backed Sparrow Arremonops chloronotus resident  1990-2007  common individuals  poor  A3  Least Concern 
Black-throated Shrike-tanager Lanio aurantius resident  1990-2007  present [units unknown]  A3  Least Concern 
Crimson-collared Tanager Ramphocelus sanguinolentus resident  1990-2007  present [units unknown]  A3  Least Concern 
Scarlet-rumped Tanager Ramphocelus passerinii resident  1990-2007  present [units unknown]  A3  Least Concern 
Rose-throated Tanager Piranga roseogularis resident  1990-2007  present [units unknown]  A3  Least Concern 
Olive-backed Euphonia Euphonia gouldi resident  1990-2007  present [units unknown]  A3  Least Concern 
Black-faced Grosbeak Caryothraustes poliogaster resident  1990-2007  present individuals  poor  A3  Least Concern 
A4iii Species group - waterbirds 1990-2007  poor  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Community Baboon Sanctuary Private Reserve 5,253 protected area overlaps with site 5,253  
Crooked Tree Wildlife Sanctuary 14,763 protected area overlaps with site 14,753  
Lamanai Archaelogical Reserve 396 protected area overlaps with site 388  
Manatee Forest Reserve 36,576 protected area overlaps with site 126  
Monkey Bay National Park 859 protected area overlaps with site 790  
Monkey Bay Private Reserve 468 protected area overlaps with site 465  
Runaway Creek Private Reserve 2,883 protected area overlaps with site 2,883  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   9%
Artificial landscapes (terrestrial)   9%
Shrubland   2%
Savanna   37%
Forest   43%

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Recommended citation  BirdLife International (2013) Important Bird Areas factsheet: Crooked Tree and associated wetlands. Downloaded from http://www.birdlife.org on 24/05/2013

To provide new information to update this factsheet or to correct any errors, please email BirdLife