What does Rhinoceros look like on Google?

On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Google add Rhinoceros?

Google first drew Rhinoceros in Android 7.0, released August 22, 2016.

Google LLC has shipped 17 versions of Rhinoceros. Each is dated, so you can see when the design changed.

Google Android 8.0

Google shipped a new design for Rhinoceros in Android 8.0, released August 21, 2017. The previous design is shown beside it.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Rhinoceros look like on Google?: On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Google add Rhinoceros?: Google first drew Rhinoceros in Android 7.0, released August 22, 2016.
How many times has Google redrawn Rhinoceros?: Google LLC has shipped 17 versions of Rhinoceros. Each is dated, so you can see when the design changed.