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January February March April May June July August September October November December
Week1Frequency:14.9% Week2Frequency:13% Week3Frequency:12.5% Week4Frequency:20% Week1Frequency:24.1% Week2Frequency:22.7% Week3Frequency:26.9% Week4Frequency:33.3% Week1Frequency:30.8% Week2Frequency:31% Week3Frequency:45.8% Week4Frequency:34.4% Week1Frequency:11.1% Week2Frequency:46.3% Week3Frequency:33.3% Week4Frequency:26% Week1Frequency:35.6% Week2Frequency:5.7% Week3Frequency:0% Week4Frequency:0.9% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:13.3% Week2Frequency:13.6% Week3Frequency:3.7% Week4Frequency:6.2% Week1Frequency:1.8% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:3.2% Week2Frequency:0.1% Week3Frequency:3.5% Week4Frequency:3.5% Week1Frequency:2.5% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 28 Oct 2021 by Megan Gray

© Alan Kneidel
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January February March April May June July August September October November December
Week1Frequency:38.3% Week2Frequency:52.2% Week3Frequency:43.8% Week4Frequency:52% Week1Frequency:55.2% Week2Frequency:68.2% Week3Frequency:61.5% Week4Frequency:62.5% Week1Frequency:46.2% Week2Frequency:55.2% Week3Frequency:33.3% Week4Frequency:43.8% Week1Frequency:40.7% Week2Frequency:29.3% Week3Frequency:21.1% Week4Frequency:16.7% Week1Frequency:26% Week2Frequency:19.3% Week3Frequency:13.8% Week4Frequency:11.2% Week1Frequency:9.7% Week2Frequency:1.8% Week3Frequency:0% Week4Frequency:4.5% Week1Frequency:0% Week2Frequency:0% Week3Frequency:4.5% Week4Frequency:3.2% Week1Frequency:0% Week2Frequency:13.6% Week3Frequency:2.4% Week4Frequency:5.4% Week1Frequency:10.7% Week2Frequency:12.5% Week3Frequency:7.4% Week4Frequency:13.9% Week1Frequency:8.6% Week2Frequency:7.2% Week3Frequency:1.2% Week4Frequency:4.4% Week1Frequency:7.4% Week2Frequency:12.9% Week3Frequency:20.6% Week4Frequency:11.4% Week1Frequency:25.9% Week2Frequency:31.8% Week3Frequency:50% Week4Frequency:39.1%
Weekly frequency data

Last seen: 7 Dec 2021 by Lisa Schibley

© Alan Kneidel
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January February March April May June July August September October November December
Week1Frequency:2.1% Week2Frequency:4.3% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:0% Week2Frequency:4.5% Week3Frequency:11.5% Week4Frequency:16.7% Week1Frequency:3.8% Week2Frequency:6.9% Week3Frequency:4.2% Week4Frequency:3.1% Week1Frequency:7.4% Week2Frequency:2.4% Week3Frequency:10.5% Week4Frequency:8.3% Week1Frequency:9.6% Week2Frequency:6.8% Week3Frequency:5% Week4Frequency:3.7% Week1Frequency:1.6% Week2Frequency:0% Week3Frequency:3.3% Week4Frequency:4.5% Week1Frequency:0% Week2Frequency:4% Week3Frequency:4.5% Week4Frequency:9.7% Week1Frequency:0% Week2Frequency:4.5% Week3Frequency:1.2% Week4Frequency:6.2% Week1Frequency:5.4% Week2Frequency:0.1% Week3Frequency:3.7% Week4Frequency:0% Week1Frequency:2.2% Week2Frequency:1.4% Week3Frequency:5.9% Week4Frequency:0% Week1Frequency:4.9% Week2Frequency:1.6% Week3Frequency:5.9% Week4Frequency:2.9% Week1Frequency:0.1% Week2Frequency:4.5% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 15 Nov 2021 by Megan Gray

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January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0.1% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 7 Apr 1975 by Manomet Bird Observatory Data

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January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:3.4% Week3Frequency:0% Week4Frequency:6.2% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:3.5% Week4Frequency:3.1% Week1Frequency:12.3% Week2Frequency:2.3% Week3Frequency:2.5% Week4Frequency:6.5% Week1Frequency:1.6% Week2Frequency:3.5% Week3Frequency:6.7% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0.1% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.9% Week1Frequency:6.2% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 2 Jun 2021 by Alan Kneidel

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January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:3.1% Week1Frequency:3.7% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:1.4% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 2 May 2018 by Alan Kneidel

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