Object permanence in four species of psittacine birds: An African Grey parrot (Psittacus erithacus), an Illiger mini macaw (Ara maracana), a parakeet (Melopsittacus undulatus), and a cockatiel (Nymphicus hollandicus)
2011 ◽
Vol 42
(2)
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pp. 309-312
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2009 ◽
Vol 3
(1)
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pp. 1-16
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Keyword(s):
2011 ◽
Vol 125
(2)
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pp. 175-184
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2012 ◽
Vol 26
(1)
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pp. 17-21
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