Dr Goulson found, as he reports in Behavioral Ecology and Sociobiology, that twoshort-tongued bumblebee species which live in the area, Bombus lucorum and Bombuswurflenii, demonstrated handedness when they robbed flowers.
博士发现,生活在该地区的两种短舌熊蜂在打劫花时表现出利手行为。
Moreover, if one species was behaving in a left-handed manner in a particular meadow,the other was likely to do the same.
更有甚者,如果针对特定的草场,一种熊蜂是左撇子,那么另一种熊蜂通常也是左撇子。
This suggests that one species can learn from anothera trick previously thought to beconfined to vertebrates.
这暗示一物种可以向另一物种学习过去人们认为只有脊椎动物才有这种本领。
Handedness in any given meadow, Dr Goulson found, increased as the season progressed.
他还发现,在任何指定的草场中,利手性随着季节的更替而强化,
But each summer appeared to start as a blank slate.
但每到夏天则似乎从新形成。
The handedness that developed in a meadow in 2009 did not predict its handedness in2011.
某块草场中09年利手性并没有预测出11年的利手性。Goulson博士将以上发现发表在《生态学与社会生物学》上。
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