Top Definition
An avian specie indigenous to tropical Singapore. However, in recent years, the numbers have been dwindling due to unknown reasons, experts speculate that due to a unique genetic condition, Evosquall is mostly sterile. Efforts have been made to conserve these valuable birds. However, it is known that not much can be done.
It's an Evosquall perched on the branch of that tree.
by R-Scape Animal Specialists. February 01, 2011

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