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Results 1 - 2 from 2 for subbie males in 0.105 sec.
Martin Hogs, More From the Man Who Coined the Term
So, by attracting young birds, the older males gain more babies carrying their genes. The reason young females prefer to copulate with older males is that older males ...
purplemartin.org
Glossary of Terms
Some males just naturally tend to be more aggressive than others are. Mixed Reproductive Strategy: (Dr. ... be a courtship display that strengthens the pair bond. Subadult: Second Calendar Year (other names - subbie, sub). See "SY" for definition of a subadult martin. SY: Second Year. This refers to ...
purplemartin.org
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