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Week 5, 2019: Early Fall Arrivals

September 4, 2019

Bird activity was on the rise again as August came to an end this week with a considerable increase in birds banded from last week. We banded 265 birds, which sets a new record for Week 5, and 28 species. In addition to that, we recaptured 84 birds of 12 species. These numbers are well above average but not quite at the level of the beginning of our season. The otherwise relatively slow week was punctuated by a busy weekend with both days seeing around 70 birds netted. That finishes off the best August VLBO has ever had on record with 1654 birds of 54 species banded with a daily mean of 53.4 birds banded and 15 species!  This far surpasses the previous record set last year of 1091 banded. The weather was mostly clear and dry except for some heavy rain Tuesday night which left a lot of moisture at the station.

New species this week were a couple of earlier arrivals – a Ruby-crowned Kinglet and an ‘Oregon” Junco, and an always exciting bird to catch, a Sharp-shinned Hawk! Other highlights were our 4th Bewick’s Wren, three Lazuli Buntings, and single late Rufous Hummingbird and Northern Waterthrush.

Orange-crowned Warbler is the most banded species with 42, followed by Lincoln’s Sparrow (37), which have drastically increased this week, Common Yellowthroat (33), and Yellow Warbler (32). These are all at least double the average for Week 5. White-crowned Sparrows have appeared in good numbers while Willow Flycatcher and Cedar Waxing dwindled.

IMG_20190902_073738

We regularly catch two different Orange-crowned Warbler subspecies – Vermivora celata orestera (on the left) and V.c. lutescens (on the left).

Below are the banding totals:

Week 5 Totals   DAY
Species Totals 29 30 31 1 2 3 4
Orange-crowned Warbler 42 6 5 3 11 9 4 4
Lincoln’s Sparrow 37   4 8 3 2 11 9
Common Yellowthroat 33 3 1 10 6 3 5 5
Yellow Warbler 32 7 5 9 5 1 2 3
Gray Catbird 29   4 9 8 1 5 2
Song Sparrow 20 3 4 1 5 2 3 2
Willow Flycatcher 11 1 1 2 3   1 3
Gambel’s White-crowned Sparrow 8 5 2   1      
Audubon’s Warbler 6     2 4      
Cedar Waxwing 6   1 3 2      
Spotted Towhee 6 1     1   2 2
Wilson’s Warbler 6     1 1   2 2
American Goldfinch 4 2   1     1  
Black-capped Chickadee 4 1   2   1    
Lazuli Bunting 3 1   1 1      
Savannah Sparrow 3           2 1
Marsh Wren 2       1 1    
Swainson’s Thrush 2     2        
Veery 2   1 1        
Bewick’s Wren 1       1      
House Finch 1     1        
Northern Waterthrush 1             1
Oregon Junco 1             1
Red-eyed Vireo 1 1       3    
Ruby-crowned Kinglet 1       1      
Rufous Hummingbird 1     1        
Sharp-shinned Hawk 1         1    
Unidentified Yellow-rumped Warbler 1       1      
Total 265 31 28 57 55 21 38 35
Species 28 8 8 15 15 7 9 10

 

The recapture totals are as follows:

Week 5 Totals   Day
SPECIES Totals 29 30 31 1 2 3 4
Common Yellowthroat 25 2 6 6 7   2 2
Song Sparrow 14 1 6 1 2 1 2 1
Gray Catbird 13 2   6 1 2   2
Orange-crowned Warbler 12 1 2   3 3 2 1
Black-capped Chickadee 7   1 2   3   1
Willow Flycatcher 4 1 1   1     1
Marsh Wren 2           1 1
Spotted Towhee 2 1         1  
Yellow-breasted Chat 2 2            
Bewick’s Wren 1           1  
MacGillivray’s Warbler 1 1            
Swainson’s Thrush 1       1      
Species 84 11 16 15 15 9 9 9
Totals 12 8 5 4 6 4 6 7

 

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