wilomn said:
I think it's a bit of a reach as well to assume that the snakes were merely knocked out.
I would not make that assumption, and I see one item in the photo that I think may possibly be an indication to the contrary. But given that the man holding the snakes is well known for having illegal home access to drugs which he uses to immobilize snakes for venomoid "surgery", I'd say that the scenario is perfectly plausible.
If the black were not dead would it be bent the way it is? A live black mamba that close to me would have my hands open and my feet in the air as I propelled myself backwards out of strikng range.
I have monitored black and green mambas during their recovery from anesthesia. Depending on what anesthetic agent and what induction agent is used, you may have a "window" during which the snake is moving and breathing on its own but is far more likely to attempt to crawl away, appearing dazed and disoriented, than it is to react defensively. Reflexes are regained caudally to cranially (tail first) so handlers always have the warning sign of regained muscle tone in the tail before the head will be functional.
Induction agents we have used include Diazepam, Propofol, ketamine (we won't use that one again) acepromazine (likewise) and Telazol (too long on recovery, probably won't use again). Our gold standard for anesthesia maintenance is isoflurane; sevoflurane does have a slightly faster recovery but has been shown to be less stable in reptile anesthesia. We don't use ether.
I would certainly be alert and aware were I holding a recovering mamba in that position, but I would not be jumping away at that time. I would be moving in such a way to "unbalance" the snake slightly and make it more difficult for the animal to come back at me, both behaviorally and physically.
While I was not present for the mamba surgery I was present for several other cobra and rattlesnake surgeries that this guy had Al do. He used ether and sometimes the snakes came out quick and unexpectedly and sometimes they stayed nice and quiet for a long time.
Ether is...well....a bit outdated. I can't tell you too much about recovery times on that drug since it is not used in modern reptile medicine. Recovery from anesthesia is a subject I do pay very close attention to, and we get very consistent and predictable results using modern drugs and controlling patient temperatures.
Holding those snakes like that, were they merely unconscious, is sort of like spitting in Death's eye. I still figure they're dead. I don't blame any of you who suspect other wise but, I can not get on board with this one.
If the anesthetic agent was ether or something else outdated and highly unreliable, I would agree with your assertion. If the anesthetic agent was a modern one, such as what we use in the clinic I work with, that simply is not true. I handle and monitor mamba patients in recovery and human safety is not a great concern as long as attention is paid to caudal reflex recovery. The only thing in that picture that IS a great concern to me if those snakes are unconscious is that they are at risk of health complications from that kind of improper handling while anesthetized.
Look at how I am holding the mamba in the second photo on this page:
http://www.kingsnake.com/snakegetters/demo/vet/mamba-jaw.html My priority here is gentle support of an animal that is not breathing and has no muscle tone, not physical restraint. My other hand is on this animal's tail to check for returning caudal reflexes which will be present well before the head is able to move voluntarily. Our veterinary team considers this a completely safe and appropriate protocol for handling anesthetized mambas.