A 250 to 300 kilogram bull seal has been filmed feeding under a bridge in the Swan River.

Press PLAY to hear Dave McDonald discuss the thriving wildlife in the Swan River

6PR Mornings host Simon Beaumont asked Wild West Charters owner Dave McDonald if he thinks the river is healthy enough for the seal.

“There’s over 126 species of fish that reside in the river. Prawns, crabs; I’ve seen penguins in the river, it’s incredible”, he said.

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Image: Supplied | Wild West Charters