For admirers of small woodland mammals everywhere (though those interested in birds, amphibians and even larger animals like bears and cougars will also find much of interest), it's worth investigating Bill Burn's safety gear for small animals thoroughly (the home page is here for anyone flummoxed by the artsy navigation).
"Though the habits and movements of penguins remain a mystery it comes as a relief to learn that the British Antarctic Survey has embarked on a programme of fusing bar codes, like those used at the grocer's check out counter, onto their beaks." (More of his speculation and conversation about how to help animals here).
Thanking
goldleafgoddess for knowledge of this. 