Final answer:
Birds are the species that have a narrow range of auditory frequency perception. They use aural signals, like calls, to communicate with other birds.
Step-by-step explanation:
The species that is said to have a narrow range of auditory frequency perception is birds. According to the given information, birds make aural signals such as calls that other birds can hear and learn about a predator that has been observed in the area. They have a specific range of audible frequencies based on their vocalizations.