What is the usual mass range for the Black-and-Yellow Tanager?
Answer
13 to 19 grams
In terms of weight, the Black-and-Yellow Tanager is characterized as being quite light, typically weighing in the range between 13 and 19 grams. This light mass is consistent with its small stature. The information suggests that this species occupies a familiar, compact niche within the forest canopy, often being only slightly heavier than what might be considered the lightest typical small songbirds. The consistent reporting of weights centering around 17 grams further supports this narrow and uniform mass range for the species.
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