Lawrence Peregrines: embryonics more!

April 25, 2018 in In the Nest Box, lawrence peregrines, Peregrine Falcons Eastern Massachusetts, Peregrine Falcons Massachusetts

Sunrise time this morning was at 5:45 AM.  The peregrines awoke to overcast skies and light rain, no wind, and temp at 53F.

2018.0425.1-001From WHDH weather: the last three days have been phenomenal spring days for us!!  While today we bring back soaking rain into the mix, we do still hold onto a pleasant weather pattern this weekend into next week. This morning we saw a batch of widespread rain showers, but late morning many of us are catching a break from the steadier rain with scattered showers. This doesn’t mean we’re through the soaking weather yet though, so keep that rain gear close by.  We’ll grab another round of steady & heavier rain this afternoon & evening with downpours likely. We could also deal with a few thunderstorms capable of bringing downpours and gusty winds.

At 5:42, the female had been incubating.  She rose up and headed out in flight, but for just a few minutes, and returned.  A minute later the male popped in and left.  Just after 6 AM, the female went out again for a quick trip and returned to shuffle around and then settle into incubation mode.

2018.0425.2-001Day 13-14

* Upper eye lids begin to cover the eyes.

* The knee caps begin to form.

* The seroamniotic tissue connection lies in the neck region of the embryo

* Hematopoietic activity in the bone marrow

* Thyroid glands produce diiodotyrosine

Literature cited: Veldhuis, Froona, Embryonic development day 11-14, Sept 15, 2008