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