PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Animal Behavior Ecology Zoology Hans Slabbekoorn PeerJ Author Summary Animal Behavior Ecology Zoology Past or current institution affiliations Leiden University PeerJ Contributions Articles 1 April 27, 2017 Territorial black-capped chickadee males respond faster to high- than to low-frequency songs in experimentally elevated noise conditions Stefanie E. LaZerte, Hans Slabbekoorn, Ken A. Otter https://doi.org/10.7717/peerj.3257 PubMed 28462051