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Hi All,
The heavy rains during much of the past week greatly suppressed the volume
of nocturnal migration over Carleton, Yarmouth County. When the skies
cleared during the last two nights of the week, there was a definite push of
migrants but they were primarily late warblers with relatively few sparrows.
Sparrows still only accounted for 27% of night flight calls this week, up
from 24% last week. Overall, it was the slowest migration week this year
with a total of only 327 calls representing an estimated minimum number of
267 individuals. The most numerous calls were those of the Common
Yellowthroat with 52 calls. Yellow-rumped Warbler was the second most common
bird (46 calls), followed by Blackpoll Warbler (38 calls). The most common
sparrow call was that of the Lincoln's/Swamp Sparrow complex (30 calls).
Most likely all or largely Swamp Sparrows, it is unusual for this species to
outnumber White-throated and Savannah Sparrows. The less common or rare
birds of the week included a Pine Warbler and an Indigo Bunting. A summary
is included below, and additional information can be found at:
http://www.johnfkearney.com/Carleton_YarmouthCounty_2015.html.
John
Species Name followed by Total Calls and Estimated Minimum Individuals
Common Yellowthroat
52
43
Yellow-rumped Warbler
46
40
Blackpoll Warbler
38
33
Lincoln's/Swamp Sparrow
30
15
White-throated Sparrow
29
21
Unidentified Sparrow
19
15
Palm Warbler
19
18
Ovenbird
15
14
Magnolia Warbler
11
8
Northern Parula
11
9
Unidentified Warbler
11
10
Black-throated Green Warbler
6
5
Savannah Sparrow
6
6
Unidentified Warbler Genus Setophaga
6
6
Unidentified Songbird
5
5
Swainson's Thrush
5
3
Black-throated Blue Warbler
4
3
Song Sparrow
4
4
Black-and-White Warbler
2
2
Nashville Warbler
2
1
American Redstart
1
1
Chestnut-sided Warbler
1
1
Hermit Thrush
1
1
Indigo Bunting
1
1
Pine Warbler
1
1
Wilson's Warbler
1
1
Total
327
267
Estimation methods for minimum individuals
Warblers and Sparrows: Number of calls of the same taxon that have an
interval of at least 60 seconds between them.
Thrushes: The number of calls of the same species during a 60 second period
divided by 3 and rounded up to the nearest whole number.
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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoPlainText>Hi =
All,<o:p></o:p></p><p class=3DMsoPlainText>The heavy rains during much =
of the past week greatly suppressed the volume of nocturnal migration =
over Carleton, Yarmouth County. When the skies cleared during the last =
two nights of the week, there was a definite push of migrants but they =
were primarily late warblers with relatively few sparrows. Sparrows =
still only accounted for 27% of night flight calls this week, up from =
24% last week. Overall, it was the slowest migration week this year with =
a total of only 327 calls representing an estimated minimum number of =
267 individuals. The most numerous calls were those of the Common =
Yellowthroat with 52 calls. Yellow-rumped Warbler was the second most =
common bird (46 calls), followed by Blackpoll Warbler (38 calls). The =
most common sparrow call was that of the Lincoln’s/Swamp Sparrow =
complex (30 calls). Most likely all or largely Swamp Sparrows, it is =
unusual for this species to outnumber White-throated and Savannah =
Sparrows. The less common or rare birds of the week included a Pine =
Warbler and an Indigo Bunting. A summary is included below, and =
additional information can be found at: <a =
href=3D"http://www.johnfkearney.com/Carleton_YarmouthCounty_2015.html">ht=
tp://www.johnfkearney.com/Carleton_YarmouthCounty_2015.html</a>. =
<o:p></o:p></p><p class=3DMsoPlainText>John<o:p></o:p></p><p =
class=3DMsoPlainText><o:p> </o:p></p><p =
class=3DMsoPlainText><o:p></o:p></p><p class=3DMsoPlainText>Species Name =
followed by Total Calls and Estimated Minimum =
Individuals<o:p></o:p></p><p class=3DMsoPlainText>Common =
Yellowthroat<o:p></o:p></p><p class=3DMsoPlainText>52<o:p></o:p></p><p =
class=3DMsoPlainText>43<o:p></o:p></p><p =
class=3DMsoPlainText>Yellow-rumped Warbler<o:p></o:p></p><p =
class=3DMsoPlainText>46<o:p></o:p></p><p =
class=3DMsoPlainText>40<o:p></o:p></p><p class=3DMsoPlainText>Blackpoll =
Warbler<o:p></o:p></p><p class=3DMsoPlainText>38<o:p></o:p></p><p =
class=3DMsoPlainText>33<o:p></o:p></p><p =
class=3DMsoPlainText>Lincoln's/Swamp Sparrow<o:p></o:p></p><p =
class=3DMsoPlainText>30<o:p></o:p></p><p =
class=3DMsoPlainText>15<o:p></o:p></p><p =
class=3DMsoPlainText>White-throated Sparrow<o:p></o:p></p><p =
class=3DMsoPlainText>29<o:p></o:p></p><p =
class=3DMsoPlainText>21<o:p></o:p></p><p =
class=3DMsoPlainText>Unidentified Sparrow<o:p></o:p></p><p =
class=3DMsoPlainText>19<o:p></o:p></p><p =
class=3DMsoPlainText>15<o:p></o:p></p><p class=3DMsoPlainText>Palm =
Warbler<o:p></o:p></p><p class=3DMsoPlainText>19<o:p></o:p></p><p =
class=3DMsoPlainText>18<o:p></o:p></p><p =
class=3DMsoPlainText>Ovenbird<o:p></o:p></p><p =
class=3DMsoPlainText>15<o:p></o:p></p><p =
class=3DMsoPlainText>14<o:p></o:p></p><p class=3DMsoPlainText>Magnolia =
Warbler<o:p></o:p></p><p class=3DMsoPlainText>11<o:p></o:p></p><p =
class=3DMsoPlainText>8<o:p></o:p></p><p class=3DMsoPlainText>Northern =
Parula<o:p></o:p></p><p class=3DMsoPlainText>11<o:p></o:p></p><p =
class=3DMsoPlainText>9<o:p></o:p></p><p =
class=3DMsoPlainText>Unidentified Warbler<o:p></o:p></p><p =
class=3DMsoPlainText>11<o:p></o:p></p><p =
class=3DMsoPlainText>10<o:p></o:p></p><p =
class=3DMsoPlainText>Black-throated Green Warbler<o:p></o:p></p><p =
class=3DMsoPlainText>6<o:p></o:p></p><p =
class=3DMsoPlainText>5<o:p></o:p></p><p class=3DMsoPlainText>Savannah =
Sparrow<o:p></o:p></p><p class=3DMsoPlainText>6<o:p></o:p></p><p =
class=3DMsoPlainText>6<o:p></o:p></p><p =
class=3DMsoPlainText>Unidentified Warbler Genus =
Setophaga<o:p></o:p></p><p class=3DMsoPlainText>6<o:p></o:p></p><p =
class=3DMsoPlainText>6<o:p></o:p></p><p =
class=3DMsoPlainText>Unidentified Songbird<o:p></o:p></p><p =
class=3DMsoPlainText>5<o:p></o:p></p><p =
class=3DMsoPlainText>5<o:p></o:p></p><p class=3DMsoPlainText>Swainson's =
Thrush<o:p></o:p></p><p class=3DMsoPlainText>5<o:p></o:p></p><p =
class=3DMsoPlainText>3<o:p></o:p></p><p =
class=3DMsoPlainText>Black-throated Blue Warbler<o:p></o:p></p><p =
class=3DMsoPlainText>4<o:p></o:p></p><p =
class=3DMsoPlainText>3<o:p></o:p></p><p class=3DMsoPlainText>Song =
Sparrow<o:p></o:p></p><p class=3DMsoPlainText>4<o:p></o:p></p><p =
class=3DMsoPlainText>4<o:p></o:p></p><p =
class=3DMsoPlainText>Black-and-White Warbler<o:p></o:p></p><p =
class=3DMsoPlainText>2<o:p></o:p></p><p =
class=3DMsoPlainText>2<o:p></o:p></p><p class=3DMsoPlainText>Nashville =
Warbler<o:p></o:p></p><p class=3DMsoPlainText>2<o:p></o:p></p><p =
class=3DMsoPlainText>1<o:p></o:p></p><p class=3DMsoPlainText>American =
Redstart<o:p></o:p></p><p class=3DMsoPlainText>1<o:p></o:p></p><p =
class=3DMsoPlainText>1<o:p></o:p></p><p =
class=3DMsoPlainText>Chestnut-sided Warbler<o:p></o:p></p><p =
class=3DMsoPlainText>1<o:p></o:p></p><p =
class=3DMsoPlainText>1<o:p></o:p></p><p class=3DMsoPlainText>Hermit =
Thrush<o:p></o:p></p><p class=3DMsoPlainText>1<o:p></o:p></p><p =
class=3DMsoPlainText>1<o:p></o:p></p><p class=3DMsoPlainText>Indigo =
Bunting<o:p></o:p></p><p class=3DMsoPlainText>1<o:p></o:p></p><p =
class=3DMsoPlainText>1<o:p></o:p></p><p class=3DMsoPlainText>Pine =
Warbler<o:p></o:p></p><p class=3DMsoPlainText>1<o:p></o:p></p><p =
class=3DMsoPlainText>1<o:p></o:p></p><p class=3DMsoPlainText>Wilson's =
Warbler<o:p></o:p></p><p class=3DMsoPlainText>1<o:p></o:p></p><p =
class=3DMsoPlainText>1<o:p></o:p></p><p =
class=3DMsoPlainText>Total<o:p></o:p></p><p =
class=3DMsoPlainText>327<o:p></o:p></p><p =
class=3DMsoPlainText>267<o:p></o:p></p><p =
class=3DMsoPlainText><o:p></o:p></p><p class=3DMsoPlainText>Estimation =
methods for minimum individuals<o:p></o:p></p><p =
class=3DMsoPlainText>Warblers and Sparrows: Number of calls of the same =
taxon that have an interval of at least 60 seconds between =
them.<o:p></o:p></p><p class=3DMsoPlainText>Thrushes: The number of =
calls of the same species during a 60 second period divided by 3 and =
rounded up to the nearest whole =
number.<o:p></o:p></p></div></body></html>
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