Monthly and seasonal fluctuations study of some harmful birds in old lands at Sohag governorate

الملخص EN

The present work was carried out the effect of habitat types and daytime of the population density of house sparrow, Passer domesticus niloticus (L.) (Passeriformes: Passeridae) , hooded crow, Corvus corone sardonius (L) (Passeriformes:Corvidae) and palm dove, Streptopelia senegalensis egyptica (L.) ( Columbiformes: Columbidae) at Tahta district, Sohag Governorate were studies in four major habitat nearby (buildings, field crops, trees and water canals).

The results revealed that the highest value of population density of P.

domesticus niloticus; C.

corone sardonius and S.

senegalensis egyptica was recorded in fields nearby trees (54.88, 5.25 and 3.21 birds).

Followed by buildings (48.13, 4.50 and 2.42 birds).

Then the lowest value was recorded in fields nearby field crops of P.

domesticus niloticus and S.

senegalensis egyptica (23.13 and 0.75 birds) and fields near by water canals of C.

corone sardonius (1.46 birds).

The yearly population trend P.

domesticus niloticus indicated the presence of three major peak of abundance.

The first peak was recorded in March, April and May (58.25, 43.38 and 47.25 birds).

The second beak was recorded in September (100.38 birds) and third beak was recorded in December (94.50 birds).

The highest value of P.

domesticus niloticus was recorded during autumn (48.29 birds).

The yearly population trend of C.

corone sardonius indicated the presence of one major peak of abundance.

Peak was recorded in December, October and November (12.38, 9.25 and 9.75 birds).

The highest value of population C.

corone sardonius was recorded during autumn (10.46 birds).

The highest values were recorded in two months October and December (4.38 and 5.00 birds), followed by September and November (3.50 and 2.63 birds).

The highest value of population was recorded during autumn (4.29 birds).