SEXUAL DIMORPHISM, PLUMAGE VARIABILITY AND SPECIES DETERMINATION IN NIGHTJARS - THE NEED FOR FURTHER EXAMINATION OF THE NECHISAR NIGHTJAR CAPRIMULGUS-SOLALA
Mg. Forero et Jl. Tella, SEXUAL DIMORPHISM, PLUMAGE VARIABILITY AND SPECIES DETERMINATION IN NIGHTJARS - THE NEED FOR FURTHER EXAMINATION OF THE NECHISAR NIGHTJAR CAPRIMULGUS-SOLALA, Ibis, 139(2), 1997, pp. 407-409