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There’s no prize for guessing the gender of this individual!
November and December are the mating season for this species, and I found documentation that testis enlarge more than three-fold at this time of year.
Why fly around carrying that weight all year when it wasn't useful most of the time?
| George McCarten | 13-May-2022 03:50 | |
| Anna & Christian RECK | 29-Mar-2021 09:43 | |
| Gill Kopy | 03-Feb-2017 01:59 | |
| joseantonio | 06-Jan-2017 07:59 | |
| Tom Munson | 31-Dec-2016 19:56 | |
| Nirvan Hope | 31-Dec-2016 18:17 | |
| Jim Coffman | 31-Dec-2016 15:19 | |
| Missed Opportunities | 31-Dec-2016 13:00 | |
| joseantonio | 31-Dec-2016 09:47 | |
| Irene Wehrli | 31-Dec-2016 09:39 | |
| Johnnie Rogers | 31-Dec-2016 09:04 | |
| chris morton | 31-Dec-2016 08:02 | |