" That is a clear difference between dogs and wolves , " says marc bekoff , a cognitive ethologist at the university of colorado , boulder .
博尔德市科罗拉多大学的认知动物行为学家马克贝科夫认为“这是狗和狼的明显区别。”
Melissa bateson , an ethologist at newcastle university in the united kingdom , believes the findings could have " really interesting implications for the benefits of collective decision-making , which we could learn something from . "
The ethologist konrad lorenz described the sunken eyes and hunched posture of newly bereft graylag geese : " a greylag goose that has lost its partner shows all the symptoms described in young human children . "
