2. Volumes
  3. Volume 30(1),June 1983

Volume 30(1),June 1983

3.
A comparative study of the basic reproductive parameters of Passer hispaniolensis and Passer domesticus in central-western Spain
ALONSO, J. C. (Pages 3-21).
23.
Bird wintering in the Gibraltar area
ARROYO, B.; TELLERÍA, J. L. (Pages 23-31).
33.
A comparative study of the diet of Acrocephalus arundinaceus and A. scirpaceus in the Zóñar pond (southern Spain)
CÁRDENAS, A. M.; TORRES, J. A.; BACH, C. (Pages 33-44).
45.
A comparative analysis of five techniques for recording the use of space by forest birds
CARRASCAL, L. M. (Pages 45-55).
57.
Data on the diet of the Barn Owl (Tyto alba), the Long-eared Owl (Asio otus) and the Little Owl (Athene noctua) in a locality of Castilla La Vieja (Spain)
DELIBES, M.; BRUNET-LECOMTE P.; MÁÑEZ, M. (Pages 57-63).
65.
The importance of holly (Ilex aquifolium L.) in the ecology of a winter community of passerines in the western Cantabrian Mountains
GUITIÁN, J. (Pages 65-76).
77.
Significance of ants in the diet of insectivorous birds in southern Spanish Mediterranean habitats
HERRERA, C. M. (Pages 77-81).
83.
Structure and composition of wintering bird communities in semiarid areas of Lanzarote and Fuerteventura (Canary Islands, Spain).
SUÁREZ, F. (Pages 83-91).
93.
Data on the 1981 and 1982 winter wader counts in Spain
ALBERTO, L. J.; PURROY, F. J. (Pages 93-100).
100.
The results of the winter waterfowl counts in Spain (January 1983)
ENA, V.; PURROY, F. J. (Pages 100-105).
105.
New heronries at the Ebro Delta, Spain
MARTÍNEZ-VILALTA, A.; MARTÍNEZ-VILALTA, I. (Pages 105-108).
109.
A variation in the general pattern of the sternum of the Passeriforms.
MORENO, E. (Pages 109-113).
115.
Ornithological news
DE JUANA, E. (Rec.) (Pages 115-124).
125.
Book reviews
(Pages 125-129).

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