Migrating Mallard Multi-cache (Gilmore) Multi-Cache

From the listed coordinates you will see an observation tower.  Climb the tower and check out the bird info at the top.

This cache is in the Gilmore Metro Park.  For more info see cache page https://coord.info/GC7CPJ7

The clues are the sizes (length) of the birds in the pictures.  For instance the White Breasted Nuthatch is listed as 6"

Read Headed Woodpecker = BY"  

Pileated Woodpecker = 1A" and Z = A - 4

House Finch = G 1/2" and X = G + Z

The final is at

N39 21.2XZ W84 30.7YZ