Noise affects life on the seafloor

Oceans have their own unique soundscape. Many marine organisms, for example, use sound for echolocation, navigation or communication with conspecifics. In recent decades, however, more and more sounds caused by human activities ...

Urban density strongly correlates with house sparrow health

House sparrows (Passer domesticus) have adapted to urban environments, which are changing and growing faster than ever before. A range of both biotic and abiotic factors—including habitat fragmentation, changing food availability, ...

Observing different mating tactics in the Japanese scorpionfly

Owing to the high competition and the prevalence of natural selection, many male insects must develop alternative tactics to mate with a female. Weaker males who lose in a competition (or loser males) may resort to hovering ...

Even bushbabies get stressed: How we know, and what it means

Many South Africans will be familiar with bushbabies—or, at least, with their distinctive call. The small animal, more formally known as the thick-tailed greater galago, takes its common name from that call; it sounds like ...

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