Malky,
Question-How much available video of the actual nests during incubation is available, and what does it show in regards to intrusion by other species compared with infanticide by male Martins?
"Answer-We have little video. My father’s colony fledged 320 birds last year. That is a lot of compartments to watch! Frustrated male Martins that do not find a female sometimes do kill young Martins. This is completely unavoidable and a sad fact. One of MANY problems that Martin landlords deal with."
Considering the cost of nest-cams, their readily availability, and the claims about the care and welfare concerns regarding the Purple Martins by the P/M enthusiasts, I find the lack of nest-cams very surprising.
But, considering that we have a colony nesting bird and an average landlord has dozens of compartments it adds up. "Super colonies" have hundreds of nests. Our days are now at least 14 hours long now. How much do you "expect" of us for data that you would like to see? The cost would still be very great and we would need power sources, cable, etc. Then we would spend all night analyzing the data from all of those nestcams and never sleep. You don't understand what is going on here. You have nothing to compare it to. It would be cheaper for us all to chip in and fly you over for a look. Here is a composite of shot of an average size colony. How are you going to monitor all 48 nests?
Statement-"I use two methods for lethal control of S&S. Trapping/drowning and shooting. I could use trapping/gassing, trapping/chest compression or trapping/break neck. These are all accepted as “humane” and the bird is dispatched very quickly"
Question-Are they accepted as "humane". On reading certain documents, some of the above methods are not recommended. Are you up to date with available information??
Answer-It depends what organization you ask. I consider them to be humane, as do other organizations. Some folks don’t think that killing ANY animal in ANY way is humane. Just ask any of the 800,000 PETA members if you don’t believe me.
So the methods employed by yourself, are of self choice, and not as recommended by American wildlife organizations.
No, as with medicine, vitamins and food we are constantly changing what we are "supposed" to do. The same is true with this. Drowning may have been acceptable last week by one organization, then they change their mind and it’s still acceptable by another. I can easily switch to ether and will do so, since this seems to be the current standard. I’m sure that by next year that will change.
Just an added point to this. In some areas we do not have a big problem with S&S. Control over a period of years reduces their numbers. It really works. I have not seen and English Sparrow yet this year in my yard and have not eliminated a dozen Starling. Continued control can work on a small isolated area to the point where little control is necessary. Seven years ago things were different here.
Quote from P/M site-"Protect your housing from predators. Don’t assume that because you never see any predators there are none around. Raccoons, snakes, and owls raid bird houses at night. Few experiences are more painful than losing all your martins because you didn't equip your poles and housing with guards. Whether your housing consists of 6" x 6" or 7" x 12" compartments, external guards to protect against owls, hawks, and crows are insurance every house needs. Since all martin poles, wood or metal, are easily climbed by rat snakes, squirrels, and raccoons, all birdhouse poles require climbing animal barriers. You can install guards before or after your martins have arrived. In areas with fire ants, Teflon spray or tape, or a ring of grease on the pole, will stop the ants. Grease won't stop snakes or raccoons, so install a pole guard, too."
"Practice active management by controlling House Sparrows and European Starlings. Starlings and House Sparrows will take over compartments, destroy eggs, kill nestlings, and prevent martins from nesting at un-established sites."
Question-Please feel free to correct me, but if the "site" is "un-established", how can the above take place. Are they imaginary eggs and nestlings??
Answer-OK, I’ll correct you. It says “and prevent Martins from nesting at un-established sites.
You are not correcting me. You are evading the question.
Let me put it this way. I have an "unestablished site". No Martins for years. If I allow S&S to occupy available compartments it prevents Martins from occupying those compartments and any available compartment would be defended by S&S. You are misreading this. An unestablished site means that no Martins have colonized at the site. If I allow the available compartments to fill up with S&S I am actually compounding the problem. I will never get a Martin colony and will add to the problem by multiplying S&S.
If the site is un-established by Purple Martins, then how can there be the "egg destruction" and nestling killings" if said eggs and nestlings do not exist. Nothing in "official" literature mentions the House Sparrows actually "kill" Purple Martins. What is states repeatedly, is that the Sparrow stays within the "sedentary" territory, building it's nest prior to the return of the P/M's. This is due to people, either opening the nest boxes up as soon as they see "scouts" or being lazy, and leaving them open all year. Starlings will attack and perhaps "kill" Purple Martins, if the said Martin(s) invade the Starlings nest space. There are many Purple Martin bird houses which have House Sparrows and Starlings co-existing in different sections alongside Purple Martins etc.
Many of the links that I provided show graphic evidence of what S&S do to our birds - kill them. Many of the links that I provided speak of this killing. Please read and look at the information that I took the time to provide. These non-native birds kill our Martins every single day that Martins are in North America. This is well documented in my many links from reputable sources that Katy demanded. She has yet to come up with one single source that denies that this happens and I don’t think that anyone else can find one. I will go through them and re-post them if you request it.
It also seems that there is a double standard for moderators and members here. Katy uses the word Damn in her posts, but edits the acronym WTF as profanity in my post.
Quote from P/M site-"If native birds (Tree Swallows, wrens, bluebirds, or flycatchers) try to nest in your martin housing, close it and put up single-unit boxes for these desirable species elsewhere on your property. Reopen the martin housing only after the new box has been accepted."
Question-Someone mentioned "hypocrisy" on the part of the UK members. Please explain, what is the above??
Answer-By doing this you are providing housing for the other birds and maintaining your Martin housing for Martins. I see no hypocrisy in this.
By killing other endemic species in favour of the Purple Martins, are you not alienating the Tree Swallow, Wren and Bluebird etc enthusiasts. If that is not hypocritical, then please tell me what is??
Question-Having read many articles regarding Purple Martins, I can only come to the conclusion that there is a great lacking of knowledge within the part of the Purple Martin community, based on what I am reading on public forum, compared to the extensive information available.
There is a vast amount of hearsay, compared to actual facts.
We would not kill any of these birds. I have Tree Swallows choosing a nest site in my yard today. My compartments that I do not want them in are closed (as suggested). Open housing is available to them. I have had nesting Carolina Wrens on my land, as well. Just not in my Martin housing. This is simple. You seem very bright. I don't know what you are trying to imply. I also have had the cavity nesting Chickadee nest on my land, but not in my Martin housing. Eastern Screech Owls nest in a box for them on my land, not in my Martin housing.
Answer-I mentioned this earlier, but many Martin Landlords are elderly. Many do not own computers. Many do not read and write well. Most landlords are not birders. This is a big part of the problem. Studies and data are rare.
Your answer only confirms my claims about the "lack of knowledge" within the Purple Martin community overall. A sad state of affairs, considering the actions being taken by some due to said lack of knowledge.
I'm sure that EVERY single person who provides housing for birds in your country knows as much about birds as you do. Perhaps we need to give people a test before they are allowed to put up Martin housing and require a permit to do so. That’s one slippery slope! Soon everyone, world wide, will need to be educated before they put up a bird feeder or bird bath. Both of these need to be cleaned and attended to. Does every single person who does anything for birds in your country do everything that they are supposed to do?
It isn’t like we have tens of thousands of active martin colonies in North America. I struggled to document over 50 in my state alone, trying very hard to find them for almost a year. I believe that our state is larger than your country. There are bad apples in every bunch. We are working to educate people, but it is a difficult task. You are not incorrect in stating that some Martin landlords do wrong things. I have known this from day one. I will work toward fixing it until I die.
Question-In the early 1990's and 2001, nest-cam video was utilised at P/M's nests. Interestingly, there is no mention of intrusion by either of the so called "intrusive" "deadliest enemies" in the record logs. I wonder why??
I take note that you did not respond to this question. Can I take it that you already know this, but cannot seem to be seen agreeing with the claim, as this would run against the grain of argument, re the perceived problem with the Sparrows and Starlings??
I did answer. The answer was S&S control. It was short and easy to miss. They practice S&S control at that site and do not have a problem with these birds at that site because they control S&S. Just like my yard is controlled.
Quote from P/M site, snipped-"The safest way to reduce the number of nest parasites is to conduct a "nest replacement." First, remove the nestlings to a temporary container. Throw out the old parasite-infested nest. Then replace the old nest material with clean, dry wood shavings, pine straw (dried pine needles), or dry straw. Shape a shallow bowl in the new material and place the nestlings back in the nest."
Question-And this is not a detrimental act??
Answer-NO!!! It saves thousands of birds every year!!! Perhaps tens of thousands. It is VERY common. One of Michigan’s best landlord replaces all of her nests at least once during the nesting season. These birds are VERY friendly. It isn’t unheard of to be able to place the female in the bucket, along with the young while replacing a wet, or parasite infested nest. If nothing else Martin landlords love their Martins!
Are they then killing them with kindness??
Handling birds at the nest takes care and training.
Does the training actually exist or take place??
Do you have "exploding" (ringers term) broods??
What is the level of desertion and brood loss??
Is this adding to predation scent tracks??
No, they are saving them with kindness and we use care in handling young birds. Children are often involved in banding and nest changing here. It is a learning experience that we all practice and pass along to others. You must have seen the PMCA mentor program. This is part of that. Yes, we fledge hundreds of birds from many colonies. You could find the data on my Website about how many birds fledge from active colonies in Michigan. If you check nests every three to four days you will not have "jumpers" (desertion and brood loss). Predators know where colonies are and we have many ways to deter predation. Scent is not an issue.
Answer-I never stated that every problem was due to S&S.
It's nice to see that now you are learning also. "Good".
Knew that years ago. I stared my Website to try to determine the reasons for the decline of the Purple Martin in the State of Michigan. Has anyone started a Website to determine the causes of the decline of English Sparrows in Britain?
Quote from me- noting that the P/M's forum mods have spat the dummy, and have refused to answer the many legitimate questions put to them.
One can only wonder why, have they something to hide??
Answer-They are very busy,
Yes, so it would seem, but busy doing what? Hiding from the truth of the subject matter perhaps!! Or perhaps they are now studying the subject matter in a little more detail, hopefully!!
I contacted the PMCA on this. They have a standard practice that they follow when attacked. They replied once and will no longer reply to questions. They ban anyone who joins and posts on their forum that what we do is wrong. They suggested that I ignore this group. I thought that we needed a voice here. Perhaps I'm wrong.
I would like to thank you Malky, as a voice of reason here. You have studied this and you present your questions and opinions in a clear and rational manner. I am pleased to discuss this "situation" with you. This has been a lot of work for me and I am trying to set the record straight. We will never all agree on anything. We come from different parts of the world and our cultures are different.
Regards
Mark
Edited to add content.