TY  - SER
AU  - Hailman, J. P.
TI  - Cliff-nesting adaptations of the Galápagos swallow-tailed gull
U1  - 598.338598.338 
PY  - 1965///
KW  - LR, BH, EC
KW  - Cliff-nesting adaptations of the Galápagos swallow-tailed gull
KW  - birds, breeding, swallow tailed gull, nesting
KW  - aves, apariamiento, gaviota de cola bifurcada, nidos
N2  - BIB Now: 3480
ER  -