| Temple, S. A. 2002. Extinction-prone birds of Trinidad and Tobago: making predictions from theory. Department of Life Sciences, University of the West Indies, St. Augustine, Occasional Paper 11:180-193. ABSTRACT.--Theory suggests that vulnerability to extinction can be predicted, in a general way, on the basis of certain risk factors associated with a bird�s life history and ecology. Using information about these risk factors, taken mostly from Richard ffrench�s A Guide to the Birds of Trinidad and Tobago, I used a multiple logistic regression model to predict the relative vulnerability of the landbirds of Trinidad and Tobago to extinction. The results were compared with other lists of threatened bird species for Trinidad and Tobago. The birds predicted to have the highest risks of extinction seem likely to become threatened species, and they should be the targets of additional study and, possibly, conservation planning. RESUMEN.--Te�ricamente, la vulnerabilidad a la extinci�n de una especie de ave puede predecirse de manera general, considerando ciertos factores de riesgo asociados a su ecolog�a e historia de vida. Usando informaci�n relativa a estos factores, obtenida principalmente de A Guide to the Birds of Trinidad and Tobago de Richard ffrench, utilic� un modelo de regresi�n log�stica m�ltiple para predecir la vulnerabilidad relativa a la extinci�n de las aves terrestres de Trinidad y Tobago. Los resultados se correlacionaron fuertemente con el estatus actual de conservaci�n de estas especies. Las aves que tienen los niveles de riesgo de extinci�n m�s altos podr�an constituir especies potencial-mente amenazadas, y deber�an ser objetos de estudios adicionales y, posiblemente, de manejo. KEY WORDS.--birds, extinction, risk factors, threatened species, Trinidad and Tobago, vulnerability to extinction |
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| STUDIES IN TRINIDAD AND TOBAGO ORNITHOLOGY HONOURING RICHARD FFRENCH Edited by Floyd E. Hayes and Stanley A. Temple Department of Life Sciences, University of the West Indies, St. Augustine, Occasional Paper 11, 2002 |