BT4 glyphs from: Maya Hieroglyphic Database: Catalog. Drawings by Matthew Looper, except codical examples by Martha Macri.

BT4 #1 KUY? great horned owl (Bubo virginianus)?

BT4 #2 KUY? great horned owl (Bubo virginianus)?

BT4 #3 KUY? great horned owl (Bubo virginianus)?

BT4 #4 KUY? great horned owl (Bubo virginianus)?