Count up the items.
Now is the time to "ooh" and "aah" over all the yummy things that your little birds found.
Count everything up to see if everything is found. Send out the hunting parties again if you are short.
Talk with them about which creatures were easy to find, and which were challenging. Talk about how this is true in nature too - that some animals are brightly colored and some blend in. Ask them to think of examples of each type.