At work we started talking about whether other animals have different blood groups and where vets get blood supplies for operations.
Turns out that pets can donate blood. The page linked includes a picture of a pangolin (not sure if giving or receiving).
Also, yes they do have different blood groups.
https://www.blood.co.uk/news-and-campaigns/the-donor/animals-can-give-blood-too/
#blooddonor #pets