Population estimation and biology of hooded crow (corvus corone cornix) at ismailia governorate. | ||||
| Annals of Agricultural Science, Moshtohor | ||||
| Article 9, Volume 53, Issue 3 - Serial Number 4, 2015, Page 455-460 PDF (299.8 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/assjm.2015.109898 | ||||
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| Abstract | ||||
| This study investigated the ecology of the hooded crow Corvus corone cornix (Passeriformes: Corvidae) at Ismailia Governorate. The highest population density of hooded crow Corvus corone cornix recorded at sun-rise were 11.67 and 10.33 individuals during July and September 2007 in fields cultivated with vegetables and field crops respectively. While at sun-set the highest population recorded 6.33 and 5 individuals during January 2009 and August 2007 in fields cultivated with vegetables and field crops respectively. The breeding season of hooded crow had been lasted from January to April. The mean number of eggs per clutch differs from 3.25 to 5.5 eggs per clutch with mean 4.07eggs/clutch. The total mean of incubation period was18.57days while the total mean of the fledging period was31.23 days. The total survival rate was 84.08%. | ||||
| Keywords | ||||
| Ecology; Biology; Corvus corone cornix; Field and vegetable crops | ||||
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