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Rift Valley

Illustrated Checklist

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Common Ostrich

January February March April May June July August September October November December
Week1Frequency:15.6% Week2Frequency:11.1% Week3Frequency:15.3% Week4Frequency:16.1% Week1Frequency:16.7% Week2Frequency:13.3% Week3Frequency:9.7% Week4Frequency:12.5% Week1Frequency:14.6% Week2Frequency:16.4% Week3Frequency:15.3% Week4Frequency:13.9% Week1Frequency:9.3% Week2Frequency:14.9% Week3Frequency:14.5% Week4Frequency:18.3% Week1Frequency:11.8% Week2Frequency:13.5% Week3Frequency:12.4% Week4Frequency:18.2% Week1Frequency:15.9% Week2Frequency:16.3% Week3Frequency:21% Week4Frequency:21.5% Week1Frequency:20.7% Week2Frequency:17.9% Week3Frequency:20.8% Week4Frequency:21.8% Week1Frequency:21% Week2Frequency:17.5% Week3Frequency:20.4% Week4Frequency:27.5% Week1Frequency:18.5% Week2Frequency:18.8% Week3Frequency:20.5% Week4Frequency:19.7% Week1Frequency:22.5% Week2Frequency:19.8% Week3Frequency:15.5% Week4Frequency:15.2% Week1Frequency:16% Week2Frequency:20.4% Week3Frequency:15.6% Week4Frequency:13.9% Week1Frequency:18.6% Week2Frequency:16.1% Week3Frequency:15.2% Week4Frequency:18.4%
Weekly frequency data

Last seen: 8 Dec 2023 by Carlos Gutierrez-Expósito

Common Ostrich, ML100526051
© Tommy Pedersen
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1000

Somali Ostrich

January February March April May June July August September October November December
Week1Frequency:1% Week2Frequency:0.8% Week3Frequency:1.3% Week4Frequency:1% Week1Frequency:1.1% Week2Frequency:1.7% Week3Frequency:2.1% Week4Frequency:1% Week1Frequency:1.8% Week2Frequency:0.8% Week3Frequency:0.6% Week4Frequency:1.4% Week1Frequency:1.1% Week2Frequency:0.7% Week3Frequency:2.2% Week4Frequency:0.8% Week1Frequency:1.7% Week2Frequency:1.4% Week3Frequency:1.4% Week4Frequency:0.7% Week1Frequency:0.3% Week2Frequency:0.5% Week3Frequency:1.1% Week4Frequency:0.9% Week1Frequency:1.8% Week2Frequency:2.8% Week3Frequency:1.6% Week4Frequency:2.1% Week1Frequency:2.7% Week2Frequency:1.3% Week3Frequency:0.8% Week4Frequency:2% Week1Frequency:0.4% Week2Frequency:1.9% Week3Frequency:0.4% Week4Frequency:2% Week1Frequency:1% Week2Frequency:2.4% Week3Frequency:1.5% Week4Frequency:2% Week1Frequency:0.8% Week2Frequency:1.4% Week3Frequency:2.4% Week4Frequency:0.7% Week1Frequency:1.1% Week2Frequency:1.2% Week3Frequency:2.3% Week4Frequency:1.7%
Weekly frequency data

Last seen: 28 Nov 2023 by Carlos Gutierrez-Expósito

Somali Ostrich, ML60622081
© David Orth-Moore
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134

White-faced Whistling-Duck

January February March April May June July August September October November December
Week1Frequency:5.9% Week2Frequency:4.5% Week3Frequency:7% Week4Frequency:4.9% Week1Frequency:5.7% Week2Frequency:6.1% Week3Frequency:5.4% Week4Frequency:7.5% Week1Frequency:5.8% Week2Frequency:4.8% Week3Frequency:5% Week4Frequency:8.4% Week1Frequency:4.6% Week2Frequency:7.8% Week3Frequency:6.3% Week4Frequency:6.9% Week1Frequency:5.8% Week2Frequency:5.2% Week3Frequency:7.8% Week4Frequency:9.3% Week1Frequency:6.2% Week2Frequency:4.8% Week3Frequency:5% Week4Frequency:7.2% Week1Frequency:6.7% Week2Frequency:6% Week3Frequency:4.8% Week4Frequency:6.7% Week1Frequency:5.2% Week2Frequency:5% Week3Frequency:6.2% Week4Frequency:6.4% Week1Frequency:6.1% Week2Frequency:4.6% Week3Frequency:7.8% Week4Frequency:4.4% Week1Frequency:4.8% Week2Frequency:4.2% Week3Frequency:3.9% Week4Frequency:4.9% Week1Frequency:6.5% Week2Frequency:6.4% Week3Frequency:6.5% Week4Frequency:4.8% Week1Frequency:10% Week2Frequency:5.2% Week3Frequency:3.3% Week4Frequency:6.7%
Weekly frequency data

Last seen: 7 Dec 2023 by Alan Van Norman

White-faced Whistling-Duck, ML218502231
© Peter Steward
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256

Fulvous Whistling-Duck

January February March April May June July August September October November December
Week1Frequency:2.4% Week2Frequency:2.1% Week3Frequency:2.1% Week4Frequency:0.6% Week1Frequency:2.5% Week2Frequency:1.9% Week3Frequency:2.1% Week4Frequency:1.5% Week1Frequency:1.3% Week2Frequency:0.8% Week3Frequency:0.6% Week4Frequency:1.7% Week1Frequency:0.6% Week2Frequency:2.7% Week3Frequency:1.4% Week4Frequency:1% Week1Frequency:1.7% Week2Frequency:1.4% Week3Frequency:1.6% Week4Frequency:1.6% Week1Frequency:1.4% Week2Frequency:0.5% Week3Frequency:1.5% Week4Frequency:0.8% Week1Frequency:0.9% Week2Frequency:1.9% Week3Frequency:1% Week4Frequency:0.8% Week1Frequency:1.9% Week2Frequency:0.5% Week3Frequency:1.2% Week4Frequency:1.8% Week1Frequency:1.6% Week2Frequency:0.6% Week3Frequency:1.2% Week4Frequency:1.3% Week1Frequency:0.6% Week2Frequency:1.8% Week3Frequency:1.1% Week4Frequency:0.7% Week1Frequency:1.2% Week2Frequency:1.1% Week3Frequency:1.3% Week4Frequency:0.7% Week1Frequency:3.3% Week2Frequency:0.6% Week3Frequency:2.3% Week4Frequency:0.7%
Weekly frequency data

Last seen: 7 Dec 2023 by Alan Van Norman

Fulvous Whistling-Duck, ML206085781
© James Kashangaki
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37

White-backed Duck

January February March April May June July August September October November December
Week1Frequency:0.5% Week2Frequency:0.8% Week3Frequency:0.8% Week4Frequency:1% Week1Frequency:1.4% Week2Frequency:0.8% Week3Frequency:0.8% Week4Frequency:1.2% Week1Frequency:0.2% Week2Frequency:0.4% Week3Frequency:0.3% Week4Frequency:0.2% Week1Frequency:0.4% Week2Frequency:1.2% Week3Frequency:1% Week4Frequency:0.8% Week1Frequency:0.3% Week2Frequency:0.3% Week3Frequency:0.5% Week4Frequency:0.7% Week1Frequency:0.3% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:1.3% Week1Frequency:0.5% Week2Frequency:0.3% Week3Frequency:0.7% Week4Frequency:1% Week1Frequency:0.6% Week2Frequency:0.2% Week3Frequency:0.6% Week4Frequency:0.5% Week1Frequency:0.4% Week2Frequency:0.6% Week3Frequency:1.1% Week4Frequency:1.1% Week1Frequency:0.8% Week2Frequency:0.8% Week3Frequency:0.1% Week4Frequency:0.7% Week1Frequency:1.4% Week2Frequency:0.1% Week3Frequency:0.7% Week4Frequency:0.9% Week1Frequency:1.9% Week2Frequency:0.9% Week3Frequency:1% Week4Frequency:1.5%
Weekly frequency data

Last seen: 7 Dec 2023 by Alan Van Norman

White-backed Duck, ML526111341
© Bertina K
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27

Knob-billed Duck

January February March April May June July August September October November December
Week1Frequency:2.2% Week2Frequency:2.3% Week3Frequency:1.9% Week4Frequency:1.8% Week1Frequency:1.1% Week2Frequency:0.8% Week3Frequency:1.1% Week4Frequency:2.1% Week1Frequency:0.9% Week2Frequency:1% Week3Frequency:2.1% Week4Frequency:1.4% Week1Frequency:1.3% Week2Frequency:2% Week3Frequency:1.9% Week4Frequency:1.4% Week1Frequency:1.4% Week2Frequency:1.5% Week3Frequency:1.8% Week4Frequency:0.9% Week1Frequency:2.2% Week2Frequency:1.3% Week3Frequency:1.5% Week4Frequency:1.6% Week1Frequency:1.6% Week2Frequency:1.6% Week3Frequency:2.7% Week4Frequency:2.6% Week1Frequency:2.3% Week2Frequency:0.9% Week3Frequency:2.8% Week4Frequency:1.4% Week1Frequency:1.4% Week2Frequency:1.4% Week3Frequency:3.2% Week4Frequency:1.3% Week1Frequency:2% Week2Frequency:1.5% Week3Frequency:1.2% Week4Frequency:1.2% Week1Frequency:1.2% Week2Frequency:2.1% Week3Frequency:1.5% Week4Frequency:0.5% Week1Frequency:2.5% Week2Frequency:0.6% Week3Frequency:0.7% Week4Frequency:1%
Weekly frequency data

Last seen: 15 Nov 2023 by Keith Cowton

Knob-billed Duck, ML204277561
© Holger Teichmann
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43