Different forms

For the following Pokémon, you can finally put down the magnifying glass. There are pocket monsters that have different body features than their counterparts. This especially applies to the only Pokémon your parents probably still know: Pikachu. The female Pokémon has a heart-shaped tail.
With Bidiza, you also have to stare at the rear to see what it is. Males have two additional curls. This brings the total to 5 that outline its backside.