Table 1 Bird species richness in each feeding guild and the Sorensen’s Similarity Index (Ss) of birds in natural and disturbed land uses in Angurai (10–12 August 2004), Busia (14–15 August 2004) and Lambwe Valley (17–20 August 1997) sites.
From: Bird species richness and diversity responses to land use change in the Lake Victoria Basin, Kenya
Species guild | Angurai | Busia | Lambwe Valley | Grand total | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Disturbed | Natural | Total | Ss | Disturbed | Natural | Total | Ss | Disturbed | Natural | Total | Ss | ||
Carnivore | 0 | 3 | 3 | 0 | 1 | 1 | 2 | – | 3 | 2 | 5 | 0 | 10 |
Frugivore | 1 | 4 | 5 | 0.44 | 2 | 3 | 5 | 0.33 | 1 | 4 | 5 | 0 | 15 |
Granivore | 3 | 20 | 23 | 0.22 | 4 | 18 | 22 | 0.38 | 3 | 2 | 5 | 0 | 50 |
Insectivore | 2 | 30 | 32 | 0.15 | 4 | 27 | 31 | 0.4 | 10 | 19 | 29 | 0 | 92 |
Insectivore/carnivore | 0 | 1 | 1 | – | 0 | 0 | 0 | 1 | 0 | 1 | 2 | ||
Insectivore/frugivore | 0 | 1 | 1 | – | 0 | 0 | 0 | 1 | 1 | 2 | 3 | ||
Insectivore/granivore | 0 | 3 | 3 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 6 | ||
Insectivore/nectarivore | 1 | 7 | 8 | 0.29 | 3 | 4 | 7 | 0.57 | 0 | 1 | 1 | 0 | 16 |
Insectivore/wax feeder | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | |
Nectarivore | 0 | 0 | 0 | – | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 2 | |
Omnivore | 0 | 1 | 1 | 0.25 | 1 | 7 | 8 | 0.18 | 2 | 2 | 4 | 13 | |
Grand total | 7 | 71 | 78 | 15 | 64 | 79 | 22 | 32 | 54 | 211 | |||