McGILL BIRD OBSERVATORY

WINTER POPULATION MONITORING

Week 21:  March 20-26, 2006

Welcome to the McGill Bird Observatory weekly report.  Click here for a complete listing of our archives.  Comments or questions are welcome at mbo@migrationresearch.org

PICTURE OF THE WEEK:



Among the 10 redpolls banded this week was the interesting individual above.  An orange,
rather than red cap, a shorter bill than most others, and a generally paler appearance - yet
on balance, still a Common Redpoll, rather than a Hoary Redpoll.  (Photo by Marcel Gahbauer)
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Special thanks to Wildlifers in Baie D'Urfe for donating the seed to stock the feeders for MBO's Winter Monitoring Program - click here for information about the store.

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THIS WEEK

THIS WINTER

2006 TOTAL

SITE TOTAL

# birds (and species) banded

16 (6)

316 (18)

143 (15)

5196 (93)

# birds (and species) repeat

8 (4)

170 (6)

91 (5)

984 (41)

# birds (and species) return

2 (1)

27 (5)

21 (5)

99 (15)

# species observed

23

52

37

172

# net hours

15.0

163.5

97.0

6519.1

# birds banded / 100 net hours

106.7

193.3

147.4

79.6

Note: table does not include nocturnal banding (owls)

Bander-in-charge:  Marcel Gahbauer
Assistants:  Shawn Craik, Barbara Frei, Gay Gruner, Greg Rand

Notes:   It was a bit milder this week, and we were able to band on both Wednesday and Thursday.  Numbers were not overwhelming, but we did have several interesting birds all the same.  Redpolls were again dominant, and among the ten we banded were three "coppertops" - birds with a predominantly copper-orange, rather than red, crown.  Black-capped Chickadee numbers have declined a bit from their winter peak, but remain numerous.

New arrivals this week included a nice flock of 19 Cedar Waxwings on Wednesday, and a snow-white Hoary Redpoll at the feeders (and flying easily over the net) on Thursday.  A few American Robins and the first couple of male Red-winged Blackbirds have arrived, but overall signs of spring remain quite limited, and with a good 20 cm of snow left over much of the site, it's no surprise.


Let nobody say that we don't treat our feathered visitors well!  This Black-capped Chickadee,
 originally banded at MBO on October 28, 2005, was recaptured this week.  An early season
fly was buzzing about inside, and on a whim we held the chickadee nearby; it didn't
hesitate long before snapping up the fly.  (Photo by Marcel Gahbauer)

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