TY  - SER
AU  - Valle,Carlos A.; Vries,Tjitte de; Hernandez,Cecilia
TI  - Plumage and sexual maturation in the great frigatebird fregata minor in the Galapagos Islands
U1  - 598.43598.43 
PY  - 2006///
CY  - Ecuador
PB  - Universidad San Francisco de Quito
KW  - Frigatebirds, Marine ornithology
KW  - delayed plumage maturation, Ornitologia marina
KW  - sexual maduration, madurez sexual
KW  - immature plumage, moult, Fragatas
KW  - Galapagos
N2  - Introduction; Study area and methods; Results; Discussion
ER  -