Bats modify their calls in ways that keep their echolocation signals from blurring together, according to a study reported by Phys.org on Wednesday. The finding points to a layer of flexibility in how the animals manage the sounds they rely on to navigate and hunt.

Echolocation works by sending out sound and reading the returning echoes. When many bats are calling at once, those signals can overlap, so keeping each call distinguishable matters for the animals. According to Phys.org, the research shows that call adjustments serve this purpose.

The report does not detail which species were studied, how the experiments were designed, or where the work took place. It also does not specify how large the adjustments were or how quickly the bats made them.

The result fits with a broader interest in how animals that depend on sound cope with crowded acoustic environments. For bats, the signals are not incidental noise but the primary means of sensing their surroundings, which makes any change in calling behavior worth examining.

Phys.org's account is limited to the headline finding, so questions about the mechanism and the scope of the behavior remain open.

Watch for the full study and any follow-up work clarifying whether these adjustments are learned, automatic, or tied to specific situations.