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Table 2 Relative abundance of resident wild birds observed at Sharkia governorate

From: Diversity and abundance of wild birds species’ in two different habitats at Sharkia Governorate, Egypt

English name

AWCH

FCH

Number in sample (count)

Relative abundance “Pi”

LN “Pi”

Pi * LN(Pi)

Number in sample (count)

Relative abundance “Pi”

LN “Pi”

Pi * LN(Pi)

Black-winged kite

8

0.001

− 6.495

− 0.009

14

0.003

− 5.535

− 0.022

Hoopoe

88

0.016

− 4.096

− 0.068

79

0.022

− 3.805

− 0.085

Senegal thick-knee

39

0.007

− 4.910

− 0.036

18

0.005

− 5.284

− 0.027

Spur winged plover

158

0.029

− 3.511

− 0.105

148

0.042

− 3.177

− 0.132

Rock dove

538

0.102

− 2.286

− 0.232

318

0.089

− 2.412

− 0.216

Palm dove

528

0.099

− 2.305

− 0.229

403

0.113

− 2.175

− 0.247

Pied kingfisher

168

0.032

− 3.450

− 0.109

152

0.042

− 3.150

− 0.135

Little green bee eater

92

0.017

− 4.052

− 0.070

53

0.015

− 4.204

− 0.063

Senegal coucal

9

0.002

− 6.376

− 0.011

0

0

0

0

Kestrel

82

0.015

− 4.167

− 0.064

66

0.018

− 3.985

− 0.074

Moorhen

402

0.076

− 2.577

− 0.196

0

0

0

0

Clamorous reed warbler

12

0.002

− 6.089

− 0.014

0

0

0

0

Crested lark

123

0.023

− 3.761

− 0.087

89

0.025

− 3.685

− 0.092

Zitting cisticola

119

0.022

− 3.795

− 0.085

67

0.018

− 3.969

− 0.075

Graceful prinia

268

0.051

− 2.983

− 0.151

193

0.054

− 2.912

− 0.158

hooded crow

575

0.108

− 2.219

− 0.241

384

0.108

− 2.224

− 0.240

Red avadavat

40

0.007

− 4.885

− 0.036

18

0.005

− 5.284

− 0.026

Barn swallow

132

0.025

− 3.691

− 0.092

102

0.028

− 3.549

− 0.102

Yellow wagtail

93

0.017

− 4.041

− 0.071

68

0.019

− 3.955

− 0.076

House sparrow

1133

0.214

− 1.541

− 0.329

817

0.230

− 1.468

− 0.338

streaked weaver

26

0.005

− 5.316

− 0.026

7

0.002

− 6.228

− 0.012

Common bulbul

152

0.028

− 3.550

− 0.102

184

0.052

− 2.959

− 0.153

Cattle egret

462

0.087

− 2.438

− 0.213

318

0.089

− 2.412

− 0.216

Little egret

36

0.007

− 4.991

− 0.034

45

0.013

− 4.367

− 0.055

Black-crowned night heron

10

0.002

− 6.271

− 0.012

6

0.002

− 6.383

− 0.011

Total

5293

1

− 99.80

− 2.63

3549

1

− 83.13

− 2.56

  1. Pi proportion of each species (relative abundance), LNPi natural logarithm of Pi