For both voyages samples of penguin guano had profuse growth.
Tourist landings at penguin rookeries have become increasingly popular and operators typically offer several landings on a single voyage.
The recently increased numbers of visitors to concentrations of wildlife, and to penguin rookeries in particular, have heightened concern over this issue.
Both soils were submitted to penguins guano during the summer season.
We counted more than 11,000 emperor penguins there during ship and aerial surveys.
Today krill is consumed by an increased abundance of smaller whales (minkes), seals (notably the crabeater seal) and seabirds (notably several penguin species), plus humans.
Even now, the detailed descriptions of the breeding of elephant seals and gentoo penguins make a good popular introduction to these species.
Even the great journey in search of the eggs of the emperor penguin was in pursuit of a 'crackpot' (page 14) theory.
