WebJan 9, 2024 · We investigated the impact of traffic noise on the calling behaviour of the brown tree frog (Litoria ewingii) in south-eastern Melbourne, the fastest-growing human … WebWe found evidence that L. ewingii calls at a higher pitch in traffic noise, with an average increase in dominant frequency of 4.1 Hz/dB of traffic noise, and a total effect size of …
Traffic noise drives an immediate increase in call pitch in an urban frog
WebFeb 2, 2024 · Research shows that males of at least one frog species are adapting to traffic noise by calling at a higher pitch (Parris et al. 2009). This could be problematic for the females, because they prefer lower-pitched calls, which indicate larger and more experienced males. WebFeb 28, 2002 · Big frogs, which have lower-pitched calls, are most likely to be drowned out by the low, rumbling noise of traffic. Parris said this makes it harder for big frogs to hear each other's calls. She said frogs with higher-pitched voices were more easily heard over the traffic. But smaller frogs with higher-pitched calls also have poorer hearing. two-headed snake biology
Effects of traffic noise on the calling behavior of two ... - PLOS
WebJan 9, 2024 · Traffic noise resulted in a significant, but short‐term, increase in call pitch in the brown tree frog. Both call pitch and call rate decreased with increasing distance from the... WebThe phenomenon of frogs calling at a higher pitch in traffic noise could therefore constitute an intriguing trade-off between audibility and attractiveness to potential mates. Key … WebMar 14, 2024 · Although the dominant frequency of their calls ranged between 1.2 and 1.5Khz, being within the range that could be affected by vehicular traffic, males from this species use high-intensity mating calls in large breeding aggregates, staying active during the day and night (Gallardo 1974 ). talking tyler the dog