Why is Kuikka shouting on a summer night? | Science


Shouting is Kuika’s way of informing about its own territory and keeping in touch with other classmates. Communication is very close. When Kuikka shouts, the other immediately responds, “Hey, I’m here”. If there are several pairs of loons nesting on the lake, the cry will start circling around the lake like a baton.

Kuikka shouts the most as soon as she arrives from the migration and continues at least until the end of the breeding season. If nesting fails, screams are greatly reduced. Loons that have given birth to chicks will continue to cry until August.

During the busy spring-summer auction, the lake echoes the sounds of the loons as they meet each other throughout the evening and early night. The darkest time is pretty quiet, and then the cries echo again from the morning, but less often than in the evening. Even during the day they shout every now and then. In calm weather, the outcry shouts travel for miles.

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As a defendant

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Pekka Lehtonen,
litter researcher, Espoo.

Published in Science Journal 7/2021


Source: Tiede by www.tiede.fi.

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