The contributors to this volume have accomplished a breakthrough in our ability to collect data on ocean-dwelling mammals. In the first large-scale comparison of fur seals, they have employed quantitative methods and a special instrument called a Time-Depth-Recorder to study the strategies used by females in six species of cared seals to rear and wean their young in different environments.
Originally published in 1986.The Princeton Lega...Fur Seals is onder andere te koop bij: Bol. Esy raadt altijd aan om meerdere aanbieders te bekijken om geen last minute deals mis te lopen.