Forskel mellem versioner af "Alex (papegøje)"

77 bytes fjernet ,  for 10 år siden
m
(in the english article it says he knew 150 words (i can read danish so thats how i was able to compare the two articles))
[[pl:Alex (papuga)]]
[[pt:Alex (papagaio)]]
[[ru:Алекс (попугай)]]
[[ru:Эксперименты Ирэн Пепперберг по обучению попугаев языку]]
[[simple:Alex (parrot)]]
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