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18 July 1^46 Baffin Bay, 10 0 mi. IW Upernivik. 
Apparently many of the murres we are seeing are young 
of th e y e ar, not y e t able to fl y-.-—Several -groups—of — 
fo ur were see n closely enough to ctb eroine that t w o were hi_ 
immature and two were adult. Iloist immatures were with $i(./0J 
-one—or more—adult-sy—but- occasionally- a lone individual 
was obs erved. The wat er is so crystal clear t ha t f rom ^_ 
t e bridge I could clearl;/ see the birds swimming under 
the water. Thejr-use thei r win gs-In - the-initial effort — 
to get under the water. This eeems to be a difficult 
feat. Beneath the -fi^ftfe^they progress by flapping their 
wings- as- in -flight-.—;--- 
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