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Salmon's Sense of Smell
Male salmon sniff out their mates and all salmon migrate guided by their sense of smell
Male salmon sniff out their partners during the breeding season and all salmon migrate guided by their sense of smell. But there is now evidence that a salmon's sense of smell is blocked by pesticides such as sheep dip.
Also on the programme the British Wildlife charity that is rehabilitating animals and hopes that now that the drought is over, the marbled teal duck will return to Spain.
Presented by Sue Ingle.
大象传媒 World Service Archive
This programme was restored as part of the World Service archive project
