“ In one terrible day, 70 to 80 percent of all the monarchs that return to the Eastern United States in the spring were dead, ” says the international edition of The Miami Herald. But now, another threat is looming.
इक्कीस हफ्ते बाद, मुर्गी ऐसे अंडे देने लगती है जिनमें साँप के ज़हर से लड़नेवाली एंटीबॉडीज़ होती हैं ।