Filters and navigation

All years

Illustrated Checklist

January February March April May June July August September October November December
Week1Frequency:1.3% Week2Frequency:1.5% Week3Frequency:1.3% Week4Frequency:1.5% Week1Frequency:1.9% Week2Frequency:1.4% Week3Frequency:1.4% Week4Frequency:1.1% Week1Frequency:2.3% Week2Frequency:1.4% Week3Frequency:1.9% Week4Frequency:1.9% Week1Frequency:1.7% Week2Frequency:1.8% Week3Frequency:1.7% Week4Frequency:1.3% Week1Frequency:1% Week2Frequency:1% Week3Frequency:1.7% Week4Frequency:2.3% Week1Frequency:2.9% Week2Frequency:0.9% Week3Frequency:0.6% Week4Frequency:0.3% Week1Frequency:0.3% Week2Frequency:0.2% Week3Frequency:0.1% Week4Frequency:0.2% Week1Frequency:0.1% Week2Frequency:<0.1% Week3Frequency:0.6% Week4Frequency:2.2% Week1Frequency:4% Week2Frequency:3.9% Week3Frequency:5% Week4Frequency:6.5% Week1Frequency:4.9% Week2Frequency:4.1% Week3Frequency:3.2% Week4Frequency:3% Week1Frequency:2.2% Week2Frequency:2.4% Week3Frequency:2% Week4Frequency:1.7% Week1Frequency:2.2% Week2Frequency:2.3% Week3Frequency:2.4% Week4Frequency:2.1%
Weekly frequency data

Last seen: 26 Jun 2022 by Mairin Murphy

© Andrew Spencer
© Andrew Spencer
January February March April May June July August September October November December
Week1Frequency:<0.1% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:0.1% Week3Frequency:0.1% Week4Frequency:0.2% Week1Frequency:0.2% Week2Frequency:0.1% Week3Frequency:0.1% Week4Frequency:0.1% Week1Frequency:0.2% Week2Frequency:1.1% Week3Frequency:4.5% Week4Frequency:6.5% Week1Frequency:6.2% Week2Frequency:5.3% Week3Frequency:3.9% Week4Frequency:3.9% Week1Frequency:3.7% Week2Frequency:2.7% Week3Frequency:2.5% Week4Frequency:1.4% Week1Frequency:0.9% Week2Frequency:0.6% Week3Frequency:0.8% Week4Frequency:0.6% Week1Frequency:0.6% Week2Frequency:0.5% Week3Frequency:0.9% Week4Frequency:0.6% Week1Frequency:0.5% Week2Frequency:0.4% Week3Frequency:0.5% Week4Frequency:1.8% Week1Frequency:1.3% Week2Frequency:1.5% Week3Frequency:1.7% Week4Frequency:1.5% Week1Frequency:0.6% Week2Frequency:0.9% Week3Frequency:0.6% Week4Frequency:0.2% Week1Frequency:0.3% Week2Frequency:0.3% Week3Frequency:<0.1% Week4Frequency:0.1%
Weekly frequency data

Last seen: 9 Aug 2022 by Robert Schafer

© Marco Valentini
© Kaylauna Warren
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:<0.1% Week3Frequency:0.1% Week4Frequency:<0.1% Week1Frequency:0.2% Week2Frequency:0.2% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:0% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% 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: 28 Jun 2022 by Thomas Dolman

© Josh Parks
Audio needed
Contribute yours
More:
January February March April May June July August September October November December
Week1Frequency:0.1% Week2Frequency:0.1% Week3Frequency:0.1% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0.1% Week4Frequency:<0.1% Week1Frequency:0.4% Week2Frequency:2.2% Week3Frequency:8% Week4Frequency:16.5% Week1Frequency:15.6% Week2Frequency:10.9% Week3Frequency:8.3% Week4Frequency:7.6% Week1Frequency:9% Week2Frequency:9.5% Week3Frequency:9.7% Week4Frequency:7.5% Week1Frequency:5.3% Week2Frequency:4.3% Week3Frequency:3.2% Week4Frequency:2.6% Week1Frequency:3% Week2Frequency:4.5% Week3Frequency:4.8% Week4Frequency:3.8% Week1Frequency:3.1% Week2Frequency:1.7% Week3Frequency:1.4% Week4Frequency:2.2% Week1Frequency:2.4% Week2Frequency:1.2% Week3Frequency:1.3% Week4Frequency:0.9% Week1Frequency:0.6% Week2Frequency:0.4% Week3Frequency:0.3% Week4Frequency:0.1% Week1Frequency:0.4% Week2Frequency:0.3% Week3Frequency:0.4% Week4Frequency:<0.1%
Weekly frequency data

Last seen: 9 Aug 2022 by Kristen Page

© Zak Pohlen
© Andrew Spencer
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% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:0.1% Week2Frequency:0% Week3Frequency:<0.1% Week4Frequency:<0.1% 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: 27 May 2020 by St. Paul Island Tour and Pribilof Historical Records

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

Last seen: 22 May 2021 by Nick Hajdukovich

© Nick Hajdukovich
Audio needed
Contribute yours
More: