R. D. Lawrence
... that Canadian naturalist R. D. Lawrence followed a cougar in the wild for nine months, and spent six months observing a beaver colony?
... that Canadian naturalist <b id="mwAiw"><a href="./R._D._Lawrence" id="mwAi0" rel="mw:WikiLink" title="R. D. Lawrence">R. D. Lawrence</a></b> followed a <a href="./Cougar" id="mwAi4" rel="mw:WikiLink" title="Cougar">cougar</a> in the wild for nine months, and spent six months observing a <a href="./North_American_beaver" id="mwAi8" rel="mw:WikiLink" title="North American beaver">beaver</a> colony?