A few aquariums even have whale shark exhibits where people can view these huge fish, but because of their size and special food requirements, whale sharks are tricky to keep in captivity.

一些水族馆甚至设有鲸鲨展览，人们在那可以观看这些巨型鱼类，但由于它们体型庞大且对食物有特殊要求，驯养鲸鲨较为棘手。

So here's a question: If the condor's size means it needs more food, and that food requirement is keeping it from thriving, then why is the condor so big to begin with?

所以这里有一个问题：如果秃鹰的体型意味着它需要更多的食物，而这种食物需求使其无法茁壮成长，那么为什么秃鹰一开始就这么大呢？