This owl mask colouring page was designed for Day of the Dead, when you will see colourful versions of this sort of mask on display - but it makes a fun activity for any time and of course can be coloured in browns, blacks and creams for a more "natural" owl effect.
Owl Mask Colouring Page
This lovely, decorated owl face was originally designed for Day of the Dead, but I think the kids would enjoy tracing over the dotted lines and colouring in some of the details at any time of year.
Here's another circle of pretty owls to colour in. There are so many lovely details on these! I'm fond of the sleepy owls...