When deciding on the program dates for the winter interns, PDXWildlife takes into account the average start and stop times of previous breeding seasons over the last two decades. This allows us to maximize the likelihood that we can collect as much data as possible. However, we were thrown an estrus cycle curve ball this year as Su Lin began exhibiting signs and elevated hormone levels in late December- A full two months earlier than expected. Even though this was extremely early, it gave us a glimpse into the future as the Bifengxia group began the full-blown breeding season ~mid February.

*Based on averaging data from 1996-2016

As we rapidly approach the end of May, we are still seeing multiple females entering their estrus cycle. This is the time that usually marks the end for the randy pandas, but with a strong and early start we encountered a mid-season low, leading to some late bloomers. We only wish that there was a full-proof plan as to when the females would decide to enter into estrus and breed. This remains one of the outstanding questions in the panda world. Nevertheless, field work, especially with animals can be very unpredictable.

With the winter interns leaving today, the transition into the summer is now in full effect. I’ve enjoyed my time over the last few days getting to know them. As a bonus, it was nice to meet Gigi’s parents who treated me to pork dumplings and mini custard pies. But, as I help them haul their oversized luggage down our six flights of stairs, I am reminded of the work that needs to be done in preparation for the incoming interns. Over the next few weeks, we will resume collecting data on Stereotypes, Personalities, and Maternal Care (hopefully). Off to the races!

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Thanks for reading and feel free to post your questions or comments below. If you happen to be in Ya’an, come join me and I can give you a quick tour of the city and base. Talk soon-

Here is a link to a little about Ya’an- Info on Ya’an, China