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My own teenage son is testing his boundaries and I had hoped to escape the stress of rebellion for the afternoon. The reptile was battered with repeated lunges and stretched between talon and beak, but continued to wriggle until the young hawk managed to get a good grip on the head and after that there was only likely to be one outcome.
To elucidate underlying developmental mechanisms, we examined candidate gene expression domains in the embryonic face: the earlier frontonasal ectodermal zone (FEZ) and the later midfacial Wnt-responsive region, in birds and several reptiles. This permitted the identification of an autapomorphic median gene expression region in Aves.
I had just come from a Rat Snake in a tree and was prepared to allow just enough space in my hopes for another reptile, but thoughts of owls quickly crowded it out again. As I inched up the slope on by backside I wondered, should I test my fortune any further by trying to get a photo, or should I high-tail it to the lottery shop?
I described what I had done, and she happily started ticking every possible test for every possible tropical disease on her little lab sheet – from bubonic plague to yaws. The look of relief on her face did not match the last statement but made a lot of sense in the whole conversation thus far.
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