Phun máu để không bị ăn thịt
ể trở thành món khó xơi đối với kẻ săn mồi, dế áo giáp có tuyệt chiêu phun máu ra ngoài và nôn thức ăn khỏi miệng mỗi khi bị tóm nhằm khiến kẻ thù phải ghê sợ.Một con dế áo giáp. Ảnh: Bill Bateman.Một số loài côn trùng - như bọ cánh cứng và châu chấu voi – luôn chủ động phun máu ra ngoài cơ thể khi bị tấn công, song trong nhiều thập kỷ qua giới khoa học chưa hiểu rõ lợi ích của hành vi này.
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