Check out the update on Cherie's Crocodile population survey being conducting on Ambergris Caye.

Project Update: March 2011

From December 2010 to February 2011, one hundred and thirteen American crocodiles were observed during spotlight and daylight surveys of a 72.42 km route (1.56 crocodiles/km) through coastal, mangrove, and lagoon habitats in Ambergris Caye, Belize. Of these, 32 (28.3%) were classified as ‘eye-shine only,’ and the remaining 81 (71.7%) where classified as hatchlings (20; 24.7%), juveniles (7; 8.6%), sub-adults (26; 32.1%), and adults (28; 34.6%). Out of the twenty-three tagged crocodiles, 12 (52.2%) were males and 11 (47.8%) were females. One Crocodylus acutus captured exhibited intermittent ventral scutes post cloacal. While this lends to the possibility hybridization, DNA testing is needed for confirmation. Another C. acutus was captured with a ‘marbled eye.’ The crocodile’s vision did not appear impaired. A flyover of the entire island courtesy of LightHawk enabled surveying of critical wetland habitats otherwise inaccessible. While much of the island is undeveloped, suitable crocodile habitat appears to be limited.

Interview with Vince and Cherie Rose of ACES after the arson of ACES/American Crocodile Education Sanctuary.

So, as you work online this morning, be sure to tune into the one hour croc log podcast and learn about Crocodilians and hear the latest croc news with Croc Expert Adam Britton and Wildlife Photographer Brandon Sideleau!

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here is some general information about their study:

American Crocodile, Crocodylus Acutus, Population and Habitat Viability Assessment and Conservation in Ambergris Caye, Belize

This project will substantiate the American Crocodile, Crocodylus acutus, population and habitat viability on Ambergris Caye in Belize through daylight, eye-shine and nest sighting surveys; kind crocodile tagging; and habitat assessments. Health, size, sex, and location of encountered crocodiles will be utilized to generate a population structure and distribution to aid the Belize Forest Department in developing an effective management program for the conservation of this threatened species and it’s habitat on Ambergris Caye.

Based on ACES/American Crocodile Education Sanctuary's crocodile rescue data from 2008 to 2010, croc-human conflicts on Ambergris Caye are steadily increasing due to indiscriminate development and both illegal and indirect crocodile feeding. Findings also show a dramatic increase in the destruction of critical Red Mangrove habitats, especially crocodile nesting areas; low hatchling survival rates; and a rise in the number of needless crocodile killings and poaching. Furthermore, several large, wild American Crocodiles on the island have been found lacking teeth and generally in poor health. While this could be due to several factors, ill apex predators are an indicator of an environmental disturbance. The first step to addressing all these factors is to assess the crocodile population in this region.

Consequently, this proposal focuses on the apparent urgent need for attention to be immediately directed toward a crocodile population estimate and nesting habitat viability assessment for Ambergris Caye. Random, nocturnal spotlight and daylight surveying explorations will be conducted from a powered skiff and golf-cart. Survey regions include waterways, lagoons and immediate waterfront areas on Ambergris Caye. Crocodiles will be captured by protocol, measured, sexed, assessed for health status, tagged with a brass tag securely clamped on the first, single, upright caudal scute and then released. Identifying, studying and protecting American Crocodiles and their nesting sites in Belize is crucial, before additional unnecessary and preventable habitat destruction and nonsensical killing augments the demise of these magnificent reptiles. The collected data from this project will prove pertinent for implementing conservation and sustainable management efforts for American Crocodiles and protection plans for their bio-diverse, Red Mangrove, wetland habitats in Belize.

Lastly, a broader impact resulting from this project is an increase in public awareness about crocodile conservation. Working closely with communities during data collection will present the opportunity to educate the local populace on the importance of crocodiles in Belize’s ecosystems and how to safely coexist with them; thus expectantly, reducing croc-human conflicts and nonsensical crocodile killings in Belize.

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