Hvilke fugler spiser sap?

* hakkespett (Picidae)

* Creepers (Certhiidae)

* nuthatches (Sittidae)

* chickadees (Paridae)

* titmice (Paridae)

* Warblers (Parulidae)

* Tanagers (Thraupidae)

* honeycreepers (Drepanididae)

* Flowerpeckers (Dicaeidae)