How to Add Flags
Flag setting via the animal:
Go to the animal list then find and view the animal
Toggle the flags at the top
Flag setting via the stock list:
Go to the animal list.
Select some animals by tapping on them to highlight.
Press the floating action button in the bottom right > 'More Actions' > 'Flags'
Select the colour
Group flag setting via a group
Go to a group
Select animals (If you select 0 animals, it will apply the flag colour to all animals)
Press the floating action button in the bottom right > 'Settings on all group animals' > 'Flag Colour'
Select the colour
Filter by Flags
On the main 'Animal List' or in a 'Group' you can use the 'Filter' tool on the right of the search bar on the top of the screen.
You can the click into 'Flags' and filter the animals by flags.