found: Work cat.: Pearce-Higgins, James W. Birds and climate change, 2014:unnum. prelim. p. (James W. Pearce-Higgins is Principal Ecologist at the British Trust for Ornithology, where he leads on climate change research across the organisation and manages the Population Ecology and Modelling team)
found: LCSH, Apr. 15, 2016(Ecologists. BT Biologists; Conservationists; Naturalists; Scientists)
found: Dictionary of occupational titles, via WWW, Apr. 15, 2016(under Botanist: May be designated according to field of specialization as Plant Ecologist; under Zoologist: May study effects of environment on animals and be designated Animal Ecologist)
found: Vocabulary.com, Apr. 15, 2016(Ecologist: a biologist who studies the relation between organisms and their environment)
found: Cambridge dictionaries online, Apr. 15, 2016(ecologist: a person who studies the relationship between living things and their environment; a person who studies the natural relationships between the air, land, water, animals, plants, etc.)
found: Yourdictionary.com, Apr. 15, 2016(oecologist Noun (plural Ĺ“cologists) Archaic spelling of ecologist)
found: Merriam-Webster dictionary online, Apr. 15, 2016(ecology: a branch of science concerned with the interrelationship of organisms and their environments; --ecologist noun; oecology: variant spelling of ecology)