During the rutting season the big boars have the most terrible mating battles.

在发情期，大野猪们会为求偶而展开激烈的争斗。

《柯林斯英汉双解大词典》

This study focuses on 1) What are the red goral's behavior patterns during rutting season;

本研究的内容主要为：（1）赤斑羚发情期究竟有哪些行为；

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A stag walks through early morning light during the rutting season at Bradgate Park in Newtown Linford, central England, October 25.

10月25日，英格兰中部的布拉德盖特公园。 一头恋爱季节的成年牡鹿独自徜徉在清晨明媚的阳光下。

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Another peak time for deer movements is in the autumn during the rutting season.

BBC: Deer on roads in East Sussex prompt warning to drivers

Motorists driving through Epping Forest have been told to be more vigilant as bucks are less aware of their surroundings during the rutting season.

BBC: Drivers in Epping Forest warned about rutting deer