Tiny Birdie

Our foster critters are getting smaller and smaller! This little birdie is even too small to tell what it is. It a finch type bird of some sorts but until we see some colouring of wings we won't know. Possibly a gold finch ...
Either way, very hungry he is and to give you an idea on how tiny he really is, you can just see the 1ml mark on the syringe I'm feeding him with!