Philippine Eagle (Pithecophaga jefferyi): This majestic bird of prey is considered the national bird of the Philippines and is found in rainforests within the Cagayan Valley.
Cagayan Blue Flycatcher (Cyornis sanfordi): This striking bird is found in the forests of Cagayan and nearby provinces.
Northern Luzon Cloud Rat (Crateromys schadenbergi): This unique rodent is characterized by its soft, dense fur and large eyes.
Luzon Bleeding-Heart Pigeon (Gallicolumba luzonica): A distinctive pigeon known for its red breast feathers shaped like a ''bleeding heart''.
Luzon Tarictic Hornbill (Penelopides manillae): A large and colorful hornbill species found in rainforests.
In addition to these species, endemic to the Cagayan Valley region also include various reptiles, amphibians, insects, and marine life and more species may be revealed as scientific exploration continue..