Zavalaga,
C.B., E. Frere and P. Gandini. 2002. Status of the Red-legged Cormorant in
Peru: what factors affect distribution and population size. Waterbirds
25(1):8-15.
Paredes, R. C.B. Zavalaga and D. Boness. 2002. Patterns of egg laying and
breeding success in Humboldt penguins Spheniscus humboldti at Punta San Juan,
Peru. The Auk 119(1):244-250.
Paredes
R, and C.B. Zavalaga. 2001. Nesting
sites and nest types as important factor for the conservation of Humboldt
penguins (Spheniscus humboldti). Biological Conservation 100:199-205.
Zavalaga C. B. and R. Paredes. 1999. Foraging ecology and diet of the Guanay
cormorant. S.
Afr. J. Mar. Sci. 21:251-258.
Paredes
R. & C.B. Zavalaga. 1998. Overview of the effects of El Niņo 1997-98 on
Humboldt penguins and other seabirds at Punta San Juan, Peru. Penguin
Conservation 11(1):5-7.
Zavalaga, C.B. and R. Paredes. 1998. Why do Humboldt penguins feed on sea
shells? In Adams, N.J. & Slotow, R.H. (Eds.). Proc. 22 Int. Ornithol. Congr.,
Durban. Ostrich 69:377-378.
Paredes, R. and C.B. Zavalaga. 1998. Artificial nests as an alternative to
increase availability of nesting habitat for Humboldt penguins. In Adams, N.J.
& Slotow, R.H. (Eds.). Proc. 22 Int. Ornithol. Congr., Durban. Ostrich
69:377-378.
Zavalaga C.B. & R. Paredes. 1997. Sex determination of adult Humboldt
Penguins using morphometric charecters. Journal of Field Ornithology 68(1):
102-112.
Zavalaga
C.B. & R. Paredes. 1997. Humboldt Penguins at Punta San Juan, Peru. Penguin
Conservation 10(1):6-8.
Zavalaga C.B. & J. Jahncke. 1997. Maximum diving depth of the Peruvian
diving-petrel. Condor 99: 1002 - 1004.
Zavalaga C.B. 1996. The breeding biology of the Inca tern (Larosterna inca) at Punta San Juan, Peru. Profesional Title Thesis. Universidad Peruana