TY  - SER
AU  - Clifford, L. D., Anderson, D. J.
TI  - Clutch size variation in the Nazca booby: A test of the egg quality hypothesis
U1  - 598.43598.43 
PY  - 2002///
KW  - Clutch size variation in the Nazca booby: a test of the egg quality hypothesis
KW  - Sula granti, nazca booby, masked booby, size variation,  characteristic, description,  egg development, Galápagos
KW  - Sula granti, piquero enmascarado, variación de tamaño, característica, desarollo del huevo, Galápagos
ER  -