[Daily attacks of three barley Hordeum vulgare L.plots by the hybrid sparrow Passer Domesticus X.P. hispaniolensis in the eastern Mitidja]

ABSTRACT

This study shows the daily distribution density of the Passer domesticus x P. hispaniolensis in three plots in Boudouaou. This investigation was conducted during two months [April, May] in 2003. This period of time corresponds to the growing up and maturation of Hordeum vulgare L. During April, the average of hybrid sparrows found in plots 1, 2 and 3 is 50.77, 36.10 and 17.24 respectively. The same trend was also observed in May. During the period of study, it is found that the number of sparrows identified in the three plots, was higher in the morning than what it was in the afternoon