Food-Related Names for Parrots Did you know African grey parrots are among the most popular pet birds? ©GaevoyB/Shutterstock.com Many food names are cute or catchy, so it’s no surprise we might use them for our pets. Many are short and easy to remember, too. Another reason we migh...
Do you know that many different (1)___of birds can imitate (模仿) people's words?African grey parrots (非洲灰鹦鹉) are a good(2)___.Now let's have a look at the following two birds. Every December in London,a Bird Show tries to (3)___the best "talking" bir...
The ability to understand human verbal utterances is also shown in other species, such as apes33, dolphins34, and parrots35; however, whether such an ability exists in domestic cats remains untested. In the present study, we investigated the ability of domestic cats to discriminate human verbal...
behind the wall of a corridor, out of the owner’s view for Vicky Nina and behind the back of the owners for the other dogs tested). This way the owners, not knowing where the objects were, could not inadvertently guide