Background: Bird diversity is strongly influenced by habitat structure and seasonal changes in resource availability, so such study helps assess how trees, which provide food, nesting sites for birds, contribute to sustaining avifaunal diversity in managed green spaces.
Methods: The present study was conducted at S. D. College, Barnala (Punjab), India (30.3654° N, 75.5372° E), which supports a diverse assemblage of tree species from April 2024 to September 2024 by the point count method. Species identification was performed with the help of field guides. The data of all observations in a month were pooled and relative abundance of birds in each month was calculated. Kruskal-wallis test was carried out to find if there was significant difference of bird diversity during different months.
Results: 30 species of birds distributed among 12 orders and 24 families have been recorded on 29 tree species from April to September, 2024 in the present study. The maximum species richness (22) was observed in the month of the April 2024 and July 2024. The order Passeriformes was the most dominant one out of total twelve orders of bird species observed. Relative abundance was found to be significantly different (p<0.05) in different months. Common Myna (Acridotheres tristis) showed maximum average relative abundance of 14.77 followed by Rose-ringed Parakeet (Psittacula krameri) and House Crow (Corvus spendens) with values12.35 and 9.02 respectively in the present study.
Conclusion: The study found that campus of S.D. College provides suitable habitat for birds and also shows that conserving diverse tree cover is crucial for sustaining bird populations in different months of year.
avian, diversity, abundance, richness, trees
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