A handy tool for clipping small discs out of s'mammal ears to collect tissue for DNA work. Punch size ranges in size from pygmy shrews to large voles. Bonus: leaves the s'mammals looking like punk fans when they are released ⭐️⭐️⭐️⭐️#reviewforscience pic.twitter.com/DyZJuacbzI

— Fríða Jóhannesdóttir (@FJohannesdottir) January 30, 2018