Aaron Grossberg '12, searchs for matching notes of crossbills songs at PLU on Thursday, June 30, 2011.
Aaron Grossberg '12, Kirsten Paasche '13, and Julyie Smith lay out the notes of recorded crossbill songs to compare for matches between different birds at PLU on Thursday, June 30, 2011.
Kirsten Paasche '13 looks for matching notes of crossbills songs at PLU on Thursday, June 30, 2011.
Kirsten Paasche '13, talks with Julyie Smith whlie they compare songs and looks for matching notes of crossbills at PLU on Thursday, June 30, 2011.
Kirsten Paasche '13, and Aaron Grossberg '12, sift through the recordings of crossbill birds in a lab at PLU on Friday, June 24, 2011.
Aaron Grossberg '12, sifts through the recordings of crossbill birds in a lab at PLU on Friday, June 24, 2011.
Kirsten Paasche '13, sifts through the recordings of crossbill birds in a lab at PLU on Friday, June 24, 2011.
Kirsten Paasche '13, and Aaron Grossberg '12, sift through the recordings of crossbill birds while Julyie Smiths watches in a lab at PLU on Friday, June 24, 2011.
Kirsten Paasche '13, sits barefooted while she sifts through the recordings of crossbill birds in a lab at PLU on Friday, June 24, 2011.
Cones are stacked from an earlier seed count as part of the research on crossbill birds in a lab at PLU on Friday, June 24, 2011.
