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This egret hung in the air, trying to land near this roseate spoonbill’s nest while the spoonbill would have none of it. Normally, in the rookery, spoonbills build the lowest nests (often on the ground) and are the least aggressive. This spoonbill built its nest in a position which the egret coveted, but the spoonbill was not about to abandon its eggs.
Spoonbills make a “wobble wobble” sound, much like the Hamburglar. This one was “shouting” at the egret as loudly has it could while denying the egret a perch and a chance to use its sharp beak.