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A male clavisetae fruit fly fans sex pheromones from his raised abdomen. His extended tongue is an added attraction. Since that first coloniser, they have evolved into nearly 1, 000 species, many with their own unique behaviour. When it comes to choosing a mate, females are very fussy. One wrong move by her suitor and she' s off. Hawaii' s isolation has had a curious effect on the evolution of some of its other wildlife, too. Crawling around these ferns are caterpillars. They' re the larvae of a moth and look ordinary enough. But these tiny caterpillars are perhaps the strangest of their kind in the world. |
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mǎ lèi kè lái fú sāi tiě guǒ yíng cóng tā men tái qǐ de fù bù shì fàng chū xìng xìn xī sù, tā shēn chū wěn bù yǐ zēng jiā xī yǐn lì. zì dì yí gè kāi tuò zhě qǐ, tā men jìn huà chū jìn 1000 gè pǐn zhǒng. dà bù fèn dōu yǒu dú tè de xíng wéi. dāng xuǎn zé pèi ǒu shí, cí xìng fēi cháng tiāo tī, tā de zhuī qiú zhě yī cì cuò wù de yí dòng, tā jiù lí kāi le. xià wēi yí de gé jué duì mǒu xiē qí tā yě shēng dòng wù tóng yàng yǒu qí miào de xiào guǒ, zài yáng chǐ zhí wù zhōu wéi pá xíng de shì máo chóng, tā men shì é de yòu tǐ, wài guān gòu píng cháng de, dàn zhèi xiē wēi xiǎo de máo chóng huò xǔ shì shì shàng zhè pǐn zhǒng zhōng zuì qiáng zhuàng de. |