Pam y mae barn arbenigwyr ar natur gymdeithasol yr octopws wedi newid? Dr Gethin Thomas sy'n trafod. Aled asks Dr Gethin Thomas about the social behaviour of the octopus. Show more
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Pam y mae barn arbenigwyr ar natur gymdeithasol yr octopws wedi newid? Dr Gethin Thomas sy'n trafod. Aled asks Dr Gethin Thomas about the social behaviour of the octopus. Show more