Bird Card

A 4-card field-ID dossier for the Northern Cardinal — perched-profile gouache portrait of the brilliant all-red male with 6 field-mark callouts, flight-view illustration of dorsal/ventral plumage, song mnemonic with spectrogram ("what-CHEER, what-CHEER, whit-whit-whit"), and a 3-species look-alike comparison card (Pyrrhuloxia / House Finch / Purple Finch).

A 4-card field-ID dossier for the American Robin — perched-profile gouache portrait with 6 field-mark callouts, flight-view illustration, song mnemonic with spectrogram, and a 3-species look-alike comparison card.