But all this doesn’t quite explain why, having smelt her baby, the mum can instantly recognise its smell as different from anyone else’s child, whilst someone else smelling her baby just ...

Probably the most controversial fish in this region, if not in California as a whole, is the Delta Smelt. The Delta smelt is the poster child of all that is wrong in the Sacramento-San Joaquin Delta.

Dozens of fishermen from Oregon and Washington test their luck during a one-day chance for smelt dipping on the Cowlitz River on Tuesday afternoon. (Amanda Cowan/The Columbian) Smelt dipping will ...