There were articles in July 2017 about Volvo's self-driving cars not coping with kangaroos (they bounce) which make up the majority of car/animal collisions in

There were articles in July 2017 about Volvo's self-driving cars not coping with kangaroos (they bounce) which make up the majority of car/animal collisions in Australia. A kangaroo is a lot bigger than a bird but couldn't be identified as being on the road.