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Figures & data
Figure 1. Map of (a) the Jigawa state, Nigeria, showing (b) Dutse and the study sites.
Table 1. Summary of sampling effort, habitat variables, bird species richness, abundance and diversity estimates in Dutse, Nigeria.
Figure 2. Sample-size-based rarefaction (left column) and extrapolation (right column) curves, showing species richness (q = 0) and Simpson diversity (q = 2) by sites in Dutse, Nigeria.
Figure 3. Bird species that cumulatively contributed >1% dissimilarity of the species composition across seasons (a), sites (b) and habitats (c) in Dutse, Nigeria.
Figure 4. Bird abundance by feeding guild, residence status and population trend between habitats (shrubland and woodland), sites (Model, Wangara, Malamawa and Warwade) and seasons (wet and dry) in Dutse, Nigeria.
Table 2. manova results of mean abundances of bird species by feeding guild, residence status and population trend across habitats, sites and seasons.
Table 3. Pair wise comparison of bird abundance by feeding guild, residence status, and population trend across sites.
Supplemental material
