A courting pair of lesser bowertyrants, or Gorgosaurus, with the male displaying his mating colors and feathers, offering his potential mate a Lambeosaurus skull trophy. The bower is an "avenue" type bower, with carefully arranged driftwood logs and scavenged bones on either side of a narrow aisle festooned with stones, bits of wood, and chunks of vertebrae - anything that is white or light in color.
Other bowertyrants, such as the "Greater Bowertyrant", or Tyrannosaurus rex, create their bowers from strategically gnawed trees, adorned with the decapitated heads of triceratops or other prey animals. All species are able to cannibalize the more edible parts of their bowers in times of drought or famine, deriving an extra shot of calcium from the bones therein. Indeed, it is the very reason the male offers the choicest bits to his would-be mate - the extra calcium in the offered bones allows for better egg production and a healthier brood.
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