Balance: a neglected factor when attaching external devices to penguins
We observed that external attachments on penguins reduced their balance, which may be of as great concern to the individuals as the effect of increased drag. Little penguin Eudyptula minor swimming activity was observed in captivity at the Penguin Parade Phillip Island, Australia. Initially, time-depth recorders (TDRs) were attached centrally to the lower back of […]
Searching for behavioral indicators of welfare in zoos: Uncovering anticipatory behavior
A current focus of zoo-based research aims to identify indicators of animal welfare. Reliable behavioral indicators of welfare are highly desirable as behavioral observation is non invasive and requires little in the way of specialized equipment and other costly resources—save for observer time. Anticipatory behavior is an indicator of an animal’s sensitivity to reward and […]