Do male penguins search for pebbles to present to female penguins?
Posted by gerrit, at skeptics.stackexchange.com,
I came across the following unsourced claim: When a male penguin falls in love with a female penguin, he searches the…
Sex Steroid and Corticosterone Levels of Adélie Penguins (Pygoscelis adeliae) during Courtship and Incubation
Overview of attention for article published in General & Comparative Endocrinology, April 1999