And in
larger groups where up to three males are trying to impregnate the females —
as opposed to «haremlike»
groups where one male has all the gals to himself — «investing in sperm competition would be more cost - effective than investing in energetic
vocal displays.»
When in this
grouping, the Home Mini stood out
as the star of the highs, pushing the
vocals through extra hard when the
larger Home was more focused on the mids.