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Скорость полёта чёрного стрижа

Опубликовано demo 31.07.2014 12:07

Скорость полёта чёрного стрижа 160 км/ч (на коротких дистанциях). Черный стриж обладает самой высокой скоростью горизонтального полета 111 км/ч. Эти цифры колебляться в разных источника. Некоторые указывают скорость от 140 до 180 км/ч. Черные стрижи невероятные летуны, они могут часами парить в воздухе, почти не тратя на полет своей энергии. Их хорошие качества как летунов возникают из их эволюционной приспособленности к полету т.к. чёрные стрижи не когда не садятся на землю. Они хорошо чувствуют потоки воздуха, что помогает черному стрижу развить такую большую скорость полета. Идеальное строение тела и крыльев также делает их очень быстрыми и манёвренными.

Если стриж сядет на землю он уже не сможет с нее взлететь (и почти всегда он обречен на гибель). Так и бывает часто с молодыми птицами (слетками).  

Лапы черного стрижа также не приспособлены для хождения по земле. Их функция – зацепиться за край высокого сооружения (стена дома, дерево, скала). Так висеть они могут очень долго, не тратя своей энергии.

Черный стриж

Фото черного стрижа

Какие звуки издает черный стриж?

Теги: Стрижи
Комментариев (89) | Последнее обнавление August 1, 2014

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