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Tualatin River National Wildlife Refuge
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Updated ~17 hours ago
All Years
This Year, 2024
This Month, Oct 2024
Custom Time Period
Change Time Period
Event
October Big Day--12 Oct 2024
Global Big Day--11 May 2024
October Big Day--14 Oct 2023
Global Big Day--13 May 2023
October Big Day--8 Oct 2022
Global Big Day--14 May 2022
October Big Day--9 Oct 2021
Global Big Day--8 May 2021
October Big Day--17 Oct 2020
Global Big Day--9 May 2020
October Big Day--19 Oct 2019
Global Big Day--4 May 2019
October Big Day--6 Oct 2018
Global Big Day--5 May 2018
Global Big Day--13 May 2017
Global Big Day--14 May 2016
Global Big Day--9 May 2015
Checklist Leaders
1.
Tualatin River NWR--Atfálat'i Unit
6625
2.
Tualatin River NWR
4209
3.
Tualatin River NWR--Dennis
38
Species Leaders
1.
Tualatin River NWR--Atfálat'i Unit
222
2.
Tualatin River NWR
215
3.
Tualatin River NWR--Dennis
112
