Archive for the ‘housing maintenance’ Category

SREH Wing Entrapment of Purple Martins

Monday, March 1st, 2010

So not even a week ago I wrote a blog entry entitled “Switching Martins From Round Entrances to SREH” and in that post I mentioned Wing Entrapment. Well this morning I look out my window and lo and behold a case of entrapment staring me in the face.

For those not familiar with wing entrapment, it is a phenomenon that is increasing due to the advent of SREH. It is basically when a martin gets stuck in the SREH (Starling Resistant Entrance Hole). Without removal the bird will ultimately die as will any birds that are stuck within the compartment itself. Though I am still a strong believer of SREH, entrapment highlights the need to be an active participant in the conservation of purple martins.

A customer asked me only today if getting Starling Resistant entrances were worth it with the threat of entrapment. My response was that the cases of death by starling would always be more common place. That the threats to adult martins, nestlings and eggs is much greater than the risk of entrapment. Never mind the fact that a martin house devoid of martins and producing starlings makes life difficult for all other cavity nesting birds. So in starling prone areas, SREH are a vital component that requires vigilance on the part of the martin landlord.package of weatherstripping foam

A case in point of why doing walk unders is so important. The ASY female would have surely died, had I not freed her. Oddly enough, no other martins were in the gourd. The worrisome part of this case of entrapment is that it occurred on a tunneled entrance that I had placed a wing entrapment protector made of 1/2″ insulation foam weather stripping. Placed above the Conley II entrance, the strip of stiff foam is supposed to (in theory) extend the distance from the foam tapeopening making it less likely for the bird to be able to lean against the opening and have a wing pop through and be stuck.

The PMCA has recently began selling (at cost) a plastic wing entrapment protector as part of a study to determine its effectiveness. The idea for those protectors came from the discussions on several purple martin forums. These discussions brought about the foam weatherstripping modification.

Here are the details of this case of wing entrapment.

1. SY male martins present this AM

2.Troyer horizontal gourd

3.Conley II entrance non-traction stripped tunnel (original)

4.Partially modified troyer neck (NOT cut all the way around as now recommended) though in looking at the interior of the martin she was stuck in such a way that this does not appear to be an issue. It almost seems that her body became stuck due to some conflict that was occurring on the outside of the gourd rather than a fight on the inside as what is usually seen.

wing entrapment tunnel interiorIt is important to note that entrapment can happen on any type of gourd or house that has SREH. My previous cases of entrapment have been on a troyer and on a S&K gourd. One with a Conley II entrance and one with a clinger entrance.

In the worst case scenario of delayed discovery of wing entrapment, the results can be devastating with the deaths of 1 or more birds. But through vigilance and monitoring of your site the benefits of using SREH entrances far outweigh the risks involved.  Though in satellite colonies or purple martin colonies that are not monitored daily, wing entrapment may be cause for more concern. Other techniques to control starling populations, a phone number to call if trouble is detected should perhaps be posted or even more frequent monitoring in the time frame where SY martins return, should be employed.

© PurpleMartins-R-Us.com

Happy New Year and a Baby Gouldian Update

Sunday, January 3rd, 2010

The new year came in with a cold spell that makes it easy to put off putting up my purple martin house and gourd rack. But up they must go. As of last check, there are 11 purple martin sightings across Florida and several here on the East coast. So today, despite the temperatures hovering in the 40’s, I was outside braving hypothermia to at least get things organized. The housing is still not up but the gourds are laying out on the grass and the racks are oiled and ready. Pine straw awaits patiently, having been lovingly raked up by my husband. And hopefully tomorrow will see most of the work done.

I can’t wait to see the skies above my house filled with swirling and twirling purple martins and my ears with their chortles and song.

handfed gould babyBy popular request I am updating those interested in the progress of the 3 baby gouldians that I hand fed. From hatching. All 3 are doing great. There was in fact 2 boys and 1 girl as I had thought and the youngest boy will still land on my finger and perch a bit before fluttering around the room. His name is baby and he along with his brother and sister will probably remain with me.
Though the other two will come up to me and occasionally play with my fingers they are pretty much back to being birds and have no interest in being petted or played with. As it should be, but still…Baby’s friendliness to me touches my heart and I find myself especially fond of him. His attempts at song are still quite pathetic and they are all undergoing a molt so we will see how they feather in. “Baby” will most likely be a “red headed normal” for any familiar with gouldian genetics but he will be split to white breast as will his sister. His brother is a dilute but otherwise the same.

2009 Going Out as Purple Martins Come Home!

Wednesday, December 30th, 2009

Scout reports are popping up on the west and also the east coast of Florida as the last few days of 2009 brings in the first of the purple martins for the 2010 season. As I read M.Dingman’s report of a ASY male purple martin singing over his empty backyard, I was reminded as I have reminded others via Twitter to get your housing up early. I will be working on my housing this weekend and heading my own advice, but one never knows how early the martins will come.

As of today there have been 6 reported purple martins returning home. All 6 in Florida from Naples to Punta Gorda, from Melbourne to Okeechobee (which is a stones throw from myself) So, the reality that I may be caught with my “houses down” is a real possibility. This also means that the live Birdcam will be going up very soon.

So get them houses and gourd racks up!!

In closing I want to thank all of you for continuing to follow this blog and reading about my colony. I hope 2010 brings you peace, prosperity and many many martins!

What is a Blog?

Wednesday, October 28th, 2009

Between my baby birds and visiting family, I am at my wits end. Last night I actually slept 4 hours straight. With family now gone I can relax a little and enjoy the 4 hour breaks in feedings during the night.
As for purple martins, my gourds are now clean and bagged up. The house is scrubbed and plugged. Only a few minor details left in the long overdue fall clean up.

I was talking to someone the other day and I was telling them why I write a blog. I guess it is important to first define a blog.

According to www.blogger.com, A blog is a personal diary. A daily pulpit. A collaborative space. Your blog is whatever you want it to be.

And thus my blog is just that. Mainly, the daily comings and goings of my purple martin colony. In the off season I ramble, as I am now. About my observations, birding topics and other nature related commentaries. I never proclaim myself an expert on purple martins. On the contrary, according to my “About Me” page I state, “I am NOT a Purple Martin expert, nor am I a biologist, zoologist, or ornithologist. I am a mom, a registered nurse, blogger, a professional artist and a Purple Martin Landlord. I have some knowledge about Purple Martins and hope you gather some knowledge about them too.”

So my thanks to you for reading my humble opinions, observations and thoughts. Isn’t the internet great?

Aluminum Purple Martin Bird Houses: Product Review

Tuesday, September 22nd, 2009

Sunset Inn vs The Safe Haven vs WatersEdge Suites

Sunset Inn

When you decide that an Aluminum Purple Martin Bird House is what you want and your wallet is the deciding factor, the Sunset Inn is hard to beat. Clean lines, large compartments and insulated roof make this house a great place for purple martins to raise a family.

Though the quality craftsmanship is apparent, you would not think this house is made by the Amish. I suppose, due to my own ignorance, I always thought of the Amish as wood workers not so much Aluminum manufacturers. Made by the Amish it is and the attention to detail is outstanding.

Am I partial to the Sunset Inn? Of course! I own one. But aside from my partiality, the Sunset Inn is a great little house for the money.

Similar in design to the WatersEdge Suites houses ( by Coates) and the Safe Haven by Creative Universe Enterprises the Sunset Inn also features the larger sized compartments that most other aluminum houses lack. Most aluminum houses have tiny 6×6 inch compartments that are way to small for a 7 1/2 to 8 inch bird. Even the Purple Martin Conservation Association recommends the larger sizes even though most manufacturers have yet to adopt it as a standard. Most aluminum houses out there require making changes to and cutting aluminum to modify those tiny compartments. If you want a house designed for safety and increased survival rates “out of the box”, I suggest looking seriously at the Sunset Inn, Safe Haven or Watersedge Suites houses.

The Sunset Inn can be purchased as a stand alone house to be mounted on a mounting plate on a pole or bought as a complete system which includes a pulley system to raise and lower the house. Though the 2 options look similar they are actually 2 different houses. Let me explain.

The Sunset Inn System is wider from front to back to allow a central pole to come through the center portion of the house to the pulley assembly at the top of the pole. The stand alone Sunset Inn house is built without this space and the center wall is shared by the compartments on the front and back of the house. Depending on your budget and how you want to raise and lower the house you choose one option over the other.

The Good:

Their are several features that I really like about this little house.

  1. The 2 ventilation holes in the compartments are easily opened and a great size. In the hot Florida climate I keep both of these open and the cross ventilation helps with the heat.
  2. The fronts of each compartment have a gap at the top to allow great ventilation. This has its drawbacks also though. (see The Bad)
  3. The porch has a strong aluminum bar on either side to give stability to the house but is also great to attach hardware cloth for added protection.
  4. Light weight the stand alone house weighs less than some plastic houses out there. This makes it super easy to raise and lower the house on your telescopic pole.
  5. A great price for an aluminum house it makes a good alternative for the budget conscience who would rather not go with a plastic house.

The Bad:

Nothing is perfect in life and there are a few minor issues that we have come across. Though not deal breakers, you should be aware of these.

  1. The same great ventilation on the fronts of the compartments can allow driving rains to enter. This makes using the elevated subfloors an absolute must.
  2. The same great support rods that add stability to the house may also get in the way when removing nest trays, if you use them. FYI: The door panels must be slid to the side to remove.
  3. Though not nearly as bad as the Watersedge Suites Aluminum houses, the Starling Resistant Entrance Holes (SREH) are a tad higher than they should be. This can allow the occasional small starling to breech the entrance and enter the compartment.

Though this house is great out of the box, there are some easy DIY modifications that I would suggest, to make it even better.

  • Adding 2″x4″hardware cloth is something I recommend for almost all houses. It adds a measure of safety for the martins exiting the house during an Owl raid. Owls are known to flush out the martins and catch them as they flee their housing.
  • Use the subfloors or create your own with very fine 1/8 inch hardware cloth is paramount to allow the nests to dry out quicker.
  • Add perches. That also goes for every house.

(above) WatersEdge

Product Comparison:

The Sunset Inn was compared to the only other similar houses on the market. The WatersEdge Suite and the Safe Haven. The WatersEdge Suites are manufactured by the company formerly known as Coates. Their aluminum houses are readily available on many internet sites and are mass produced. The Safe Haven is produced by hand in limited quantity by a Creative Universe Enterprises who also manufacturers a well respected line of gourd racks.

Price/Affordability: Though the price of the WatersEdge is slightly lower, there are several differences that make the Sunset Inn a superior house for the extra $25 or so dollars. The Safe Haven is far more expensive but has features that are superior to both the WatersEdge Suites and the Sunset Inn.

Ventilation: The WatersEdge Suite does not have the adjustable ventilation holes that the Sunset Inn has nor does it have any insulation that both the Safe Haven and the Sunset Inn have. The Safe Haven has rain canopies on the exterior ventilation holes that make it virtually impossible for driving rains to enter and thicker foam insulation in the attic.  The Sunset Inn has those great adjustable interior vent holes that are a great feature and some attic insulation.

Water Intrusion: The Safe Haven, with its nest trays and rain guards make it extremely dry inside. The Sunset Inn and WatersEdge do have some water intrusion issues that make subfloors mandatory. Standard with the WatersEdge they are offered as an option with the Sunset Inn, which makes it an additional expense.

Ease of Nest Checks: The Safe Haven again surpasses in the ease of nest checks with its optional nest trays that slide out completely and easily and doors that hinge downward. The Sunset Inn, due to the aluminum stability rods on the corners of the unit, make for some awkward moments in removing nest trays but the open inner area lets all the nestlings have plenty of room and the doors remove completely for great visibility. The WatersEdge with its inner entrance hole is in essence 2 compartments so no nest trays are commercially available. The WatersEdge further falls behind with its hinged doors that flip up which makes it further difficult to see in the nest when the door is lifted open.

SREH: The WatersEdge fails miserably with its only option of crescent SREH that are located much higher than is recommended to prevent starlings from breaching the entrance holes. SREH should be as flush as possible to the bottom for maximum effectiveness. The Safe Haven easily out performs its competitors with its interchangeable entrance plates so that entrances can be changed in seconds and its traction grip that has a near flush access to the crescent openings. The Sunset Inn can be ordered with either crescent SREH or round openings.

Design: The Safe Haven has tons of thought in its near flawless design and implementation. The Sunset Inn is far superior in details to the WatersEdge that comes in last, even though the WatersEdge can be purchased as a 4  or 8 compartment house.

Quality/Durability: The Safe Haven is new to the purple martin market but seems like it is top notch in quality and durability. The Sunset Inn has a proven record and feels sturdy and strong for its small size. The WatersEdge feels slightly flimsy and easily comes in third.

(above) Safe Haven


Raising/Lowering:
Though all 3 come as stand alone houses, only the Sunset Inn is available as a Pulley System with its own pole and pulley system. For the beginner who wants a modern house that is easy to lift, it is hard to find fault with this great little house. The WatersEdge is only meant for a telescopic pole though all 3 can be mounted onto a multipurpose pole if easy lifting is desired.

Over all, the Safe Haven is the winner if you have the financial resources and a multipurpose pole. A serious purple martin landlord such as myself views this house as the “creme de la creme” of martin houses. If money is a concern the Sunset Inn is a perfect choice for either mounting on a telescopic or multipurpose pole or if you are going to purchase this house as a system. The Sunset Inn System can accommodate 4 gourds underneath with the optional gourd brackets but still go up easy with its pulley. The WatersEdge comes across as a mass produced purple martin house. As with many things, mass production profit margins often win out over small details that make all the difference.

Coming Soon in Product Review- Economy Purple Martin Gourd Rack

Cleaning Your Purple Martin Housing

Thursday, August 13th, 2009

Birds are migrating southward to Brazil fast and furious. Even the upward reaches of the purple martins nesting areas in Canada are giving final nesting results. Mentions of premigratory roosts dominate the purple martin forums. All there is left to do is clean up all the housing and gourds and put them away till next year.

Undeniably the least favorite part of being a purple martin landlord. As for me, cleaning out the housing seems to go a bit easier if you wait for a day without any breeze after a stretch of hot dry days. That way there is no wind to blast you in the face with all the feather dander and bug parts that are stirred up when cleaning out nests.

My housing has been lowered and sits patiently waiting for me to address the issue. Thank goodness that all my gourds are relatively easy to clean. I can’t imagine the days prior to access ports and removable nest trays.

How do I clean the nests out? The previous blog post about blowflies has the video on how to do nest changes and that is pretty much the essence of it. I use a grocery store plastic bag and reach in the port (with my hand in the bag)  and grab as much nest material as possible then simply turn the bag inside out to keep all the nastiness from floating about and from touching me. Works like a charm and gives you a way to reuse those pesky bags that would be thrown away after bring the groceries home.

Of course, IF you have a compost pile the nest material would make a nice addition to your mix.

After the gourds or house is empty a blast with a garden house works well. Some folks even use a pressure washer and for plastic gourds this works great. I would stay away from the pressure cleaner on wood houses and personally I would stay away from water in general as wood houses are usually not painted on the inside.

Once the majority of the detritus (or nasty funk) is removed the gourds and houses can be disinfected and for that a mild bleach solution (5% to 10%) works well. Any stronger and the plastics may discolor as well as your lawn! But a spray bottle to generously douse the interior surfaces or an old rag can be used. Alternatively you can fill a large bucket with your solution and dip your gourds in it. Once the bleach solution has had a few minutes to kill off any pest stragglers then the housing can be dried off (to prevent any rusting, warping or rot) and then all holes should be sealed.

Closing the doors off is a must but often overlooked is closing the vents also. Call me crazy but I like to use those same grocery bags to place over my troyer gourds to keep any wasps and or bees from entering the drainage or vent holes and giving me a fright the next time I open the gourds up. Houses can be placed in larger garbage bags and the Trendsetter purple martin houses has custom house covers that work great for this.

To store or not to store depends on you. If you, like me, live in a hurricane prone area then chances are you will want to take the housing into a safe place for the off season. Some folks may leave it up and out all year. It is a personal choice. Part of my mania in cleaning the housing is not so much to give the purple martins a sterile nest when they return next year (which isn’t even possible) but more to assure that any creepy crawly parasites won’t decide to crawl out of the housing into my garage and be that much closer to me and my family.

And I almost forgot one important ingredient to cleaning purple martin houses…a wine cooler and some soothing music!

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Blog/Photos & Video Copyrighted 2009: S.Halpin / www.PurpleMartins-R-Us.com

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