2009年，在佛罗里达萨拉索塔的午休海滩，一只大蓝鹭在涌来的潮水上寻找鱼。
A great blue heron searches for fish on the incoming tide at Siesta Beach in Sarasota, Florida, in 2009.
克雷布斯发现，大蓝鹭在较小的群体中比在较大的群体中更容易抬头，这完全是由于恶劣的饲养条件造成的。
Krebs has discovered that great blue herons look up more often when in smaller flocks than when in larger ones, solely as a consequence of poor feeding conditions.
一只大蓝鹭站在用来保护佛罗里达彭萨科拉海滩的围油栏上。
A great blue heron stands on an oil containment boom that is being used to protect the beach in Pensacola, Florida.
一只大蓝鹭站在用来保护佛罗里达彭萨科拉海滩的围油栏上。
A great blue heron stands on an oil containment boom that is being used to protect the beach in Pensacola, Florida.
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