It consists of three giant concrete-and-wire aviaries , and is designed to house 75 pairs of each of the three stricken species .

养殖中心是由三个巨大且布满围墙和电网的鸟类饲养场，并设计得能容下三种濒危兀鹫中各75对在这里生活。

Most finch breeders stock their breeding aviaries far too heavily .

最芬奇育种的股票其繁殖鸟太沉重。

Some heat will be required during winter months so these birds are best suited for large indoor aviaries .

有些热，将须在冬季的几个月里，使这些鸟类是最适合大型室内鸟。