Environmental and Social Research

John F. Kearney & Associates

Glasgow_Head_Monitoring_Station.jpg

Glasgow Head, Guysborough County, Nova Scotia


N45.31948 W60.96731


Spring, 2016 - Number of Calls and Estimated Birds

METADATA

Microphone: SMX-NFC

<Sampling format; 16 bit

<Sampling rate: 24,000 Hz

Recording Equipment: Song Meter 2

Analysis Software: Raven Pro

High Frequency Detector Settings

>6000-11000 Hz, 23-395 ms,

>Signal/Noise 25% Minimum Occupancy

>Signal/Noise Ratio Threshold 3.5 dB

>Block Size 4992 ms, Hop Size 244 ms, 50%

Low Frequency Detector Settings

>2250-3750 Hz, 35-325 ms,

>Signal/Noise 20% Minimum Occupancy

>Signal/Noise Ratio Threshold 4.0 dB

>Block Size 998 ms, Hop Size 244 ms, 50%







Glasgow_Head_2133.jpg

Comparison of Night Flight Call Counts for the Spring of 2013, 2015, & 2016

*Number of flight calls more than 1 minute apart plus the number of flight calls less than one minute apart divided by three and rounded up to the nearest whole number. Multi-syllabic calls are adjusted accordingly.


Call Counts
Estimated Minimum Individuals
Species 2013 2015 2016   2015 2016
White-throated Sparrow 255 156 281
125 165
Blackpoll Warbler 82 2 128
2 93
Magnolia Warbler 50 40 111
28 76
Savannah Sparrow 57 61 69
48 58
Greater Yellowlegs 42 250 403
85 48
Common Yellowthroat 31 18 50
13 42
Hermit Thrush 60 49 96
43 42
Spotted Sandpiper 8 41 179
4 30
Unidentified Warbler Genus Setophaga 35 6 38
5 30
Yellow Warbler 62 7 1
7 26
Unidentified Sparrow 55 9 25
7 24
American Redstart 17 4 28
4 21
Lincoln's/Swamp Sparrow 21 7 24
6 21
Black-throated Green Warbler 11 2 7
2 20
Black-and-White Warbler 27 22 24
17 19
Northern Waterthrush 12 8 18
8 16
Bay-breasted Warbler 1
16

15
Unidentified Warbler 22 1 16
1 15
American Goldfinch

113

13
Yellow-rumped Warbler 32 21 18
17 13
Ovenbird 18 1 13
1 11
Unidentified Songbird 27 6 11
5 10
Dark-eyed Junco 8 31 14
19 8
Canada Warbler 2
9

6
Song Sparrow 38 19 7
18 6
Northern Parula 8 5 7
4 5
Wilson's Warbler 8 2 5
2 5
Blackburnian Warbler

3

3
Chipping Sparrow 2 4 7
4 3
Palm Warbler 28 3 5
3 3
Unknown Bird 21
4

3
Veery 1 1 3
1 3
American Robin 18 12 5
5 2
Cape May Warbler 6 2 3
2 2
Short-billed Dowitcher

4

2
Swainson's Thrush 16
2

2
Tennessee Warbler 3 1 3
1 2
Vesper Sparrow

2

2
Willet 36 4 7
1 2
American Tree Sparrow

1

1
Black-throated Blue Warbler

1

1
Chestnut-sided Warbler

1

1
Golden-crowned Kinglet

2

1
Nashville Warbler 8 1 1
1 1
Nelson's Sparrow
1 1
1 1
Unidentified Shorebird

1

1
Unidentified Warbler Genus Oreothlypis

2

1
Black-capped Chickadee 9




Blue Grosbeak
1

1
Boreal Chickadee 1




Canada Goose 3




Fox Sparrow 4 4

4
Least Sandpiper 19




Mourning Warbler
1

1
Scarlet Tanager 2




Unidentified Gull or Tern 71




White-crowned Sparrow 1          
Total 1,238 803 1,801
496 875