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Margar3t

 

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2nd Annual Bat Night

Added: Thursday, September 23rd 2010 at 10:05am by Margar3t
 
 
 

Well the rain stayed away for this years Bat Night and it was GREAT!

Around this time of year in Arizona we get nectar bats coming to our hummingbird feeders. The type of bats that visit our feeders are called Lesser Long-nosed bats (Leptonycteris curasoae yerbabuenae) . This species listed as endangered under the federal Endangered Species Act. Both last year and this year we signed up as part of a study that keeps data on bats that visit hummingbird feeders in the area. We monitor the feeders and record on a webside when we saw bats at the feeders and how much the sugar water level dropped that night.

For the past two years we have been lucky enough to have the bat biologists come out to our house an trap a few bats for the study. If you would like to see last years post, follow this link http://www.blogster.com/margar3t/bat-night-with-us-fish-and-wildlife The biologists set up mist nets around the feeders. Lesser long-nosed bats actually have pretty good eyesight and often avoid the nets.

Here our first bat caught in the net. This year we had bat biologists from both U.S. fish and Wildlife and Bat Conservation International (BCI) come out to trap the bats.

Once the bat is out of the net, the biologists look it over to check its over all health. I can never get over how small the bats look when they are not flying about.

Here is a close up of one of the bats. This one is female. One of the things the biologists wanted to collect was pollen, but none of the bats they caught had any noticeable pollen on them.

These are little bat flies. They are a parasite on the bats. I think these are Streblidae, but I am no bat bug expert.

A close up of the bat fly.

A close up of the wing while the biologist checks for health and age.

They measure the bats, also take their weight.

Then they dab them with a little magic marker so if the same bat gets caught in the net the same night, the biologists will know and just set the bat free.

All the data is recorded and then the bat is done, the biologists let the bat go to fly off in the night.

Here is another bat, also female. Four bats were netted, three were female and the fourth escaped out of the net before it was captured.

A close up of the bats face. They have lots of hairy whiskers. The claws you see would be the bats thumbs.

A close up of the underside of the bat’s mouth. In this photo you can easily see the leaf-nose.

If you look at a bat’s wing then look at your own hand you can see that each bone in the wing is similar to each bone in your fingers. Bat’s wings are like giant webbed hands with arms attached.

Note the arm, elbow, forearm, thumb then all the fingers coming off from it, making up the wing.

Another close up of a bat. It is not often I get a chance to see a bat so close up. They are amazing looking.

Kind of a profile shot here. Again you can easily see the leaf shaped nose.

This bat is starting to look like he is getting tired of ‘Bat Night’

Well, it is late. Time to close up shop. The biologist is carefully untangling a desert marigold that got stuck in the trap.

Above you can see the pole that hold up the net. But it is late and time to put everything away until next Bat Night.

For more info on bats see http://batcon.org/ and http://en.wikipedia.org/wiki/Leaf-nosed_bat

User Comments

How very interesting. Now I probably know more about bats than most people I know! See how much we learn here :-)  Tell Willy hi for me!

Bat Night is the highlight of my year now. It is so cool to see these little guys so close up. They are just amazing creatures. I will tell Willy you say hi and give him a hug from you. So glad you enjoyed the post.

I did enjoy it. And I'm glad to hear Willy is back to his old self again. His hair will grow back, and he'll be looking for his next adventure soon I'm sure.

Thanks, the U.S. Fish and Wildlife biologist may use some of these photos for a presentation, how cool is that? VERY!

We will have to take Willy on an adventure to put on the blog.

Really interesting information and always amazing photographs!

Thank you, so glad you enjoyed it. Bat Night is always fun for me.

Neat pictures!!!!

{#thumbs_up.gif}

I'm enjoying your documentation!

Thanks, I always have a blast on Bat Night. I always learn something and it is so interesting seeing these bats so close up. So glad you enjoyed the post.

Great photos and info chick!

Thank you, so glad you enjoyed it. Bat Night is always loads of fun for me. I don't think the bats enjoy it as much as I do though.:)

It would be cool to see them up close I think, but I sure wouldn't be holding one any time soon. lol!

They are very cool to see close-up. I have not gotten to hold one, I imagine you would need special training to learn how to hold them without hurting them. I think the biologists also get rabies vaccines, just in case, but when I asked if they had ever been bitten by one, they said "no". That is pretty cool. Seems these bats are pretty good at putting up with biologists.:)

Still...I ain't taking chances on that one lol!

I don't blame you. Actually they suggest no one touch a bat. This makes sense since bats are out at night and usually if a person has a chance to touch a bat it would be daytime and the bat would probably be on the ground. Bats out in the day and/or on the ground is a sign they are sick. Best to leave all wild critter alone if you ask me.

Cool pics Margar3t!  I wouldn't be brave enough to hold one though! LOL:)  Glad the rain stayed away for this event!

Jenn

Thank you, so glad you enjoyed them. Only the bat biologist get to hold the bats but I got to touch two. They are fuzzy. Very cool little creatures, we are so lucky to be part of the study. It is so interesting.

It is a neat post!  They are kind of cute you know!:) 

I think they are cute too.

This is way cool! Never seen a bat this close up in a picture before! Must be a fun job to have as a biologists (at least in this field!).

Ha those bat flies got free transportation! LOL

Thanks so glad you enjoyed it. The biologists are just the nicest people. They must have really interesting jobs. I am just glad I had bats for them to come study and that they let me hang out with them taking photos. The biologists were wonderful about holding the bats up for me to get a good photo. They also let me touch a bat, very cool. They are kind of woolly and soft, the bats not the biologists, I didn't touch and of the biologists, so I have no idea what they feel like. :) Yes those bat flies get a free ride, they are also parasites on the bats. I don't have much info about the flies but hope to learn more about them.

Wow, must have been a wonderful experience for ya! Every night, if I say out late enough, I would see some bats fly around. To me their flight pattern seems really distinct. As if you can tell by the way they fly that they're bats. Those flies may be beneficial to the bats, who knows? They could beat the bacteria or whatever that grown on bats.

I'm sure the biologists are just normal people, with typical skin...try to resust the urge! LOL

I agree, bats do have a different look to their flight than birds. I don't know too much about the bat flies, just that they 'biologests' say they are parasites.  On the biologist and how they 'feel', I would have to agree with you, just a guess, but I will of course do no further investigation. :)

Coolness!

I KNOW!!! Bat Night ROCKS!

always fascinating meg.  i hope it is still a thrill for you.  it's certainly a privilege to me that you share your experience.  thank you.

Thank you, I just love Bat Night. I have such a blast seeing the little bats so close up and I am learning a lot. The cool news is if time permits, they may... just may come back and trap again this year. That would be way cool. Also the US fish and wildlife guy asked if he could use my photos in his presentations about the study. Of course I totally told him YES! I burned a CD of last years and this years trapping, that way he can pick the best of both years. So not only is that way cool and a huge complement but it forces who know how many more people to look at my photos.:) So glad you enjoyed the post and Bat Night!

The close ups in the photos are great!  Glad you enjoyed it and didn't get rained on!

Thank you, it is so cool to see these little bats close up. They are really quite cute. I am glad we didn't get rained out either. It was really bright though, with the clouds and a full moon it almost seemed like day time. It made it easy for us to see but also made it easier for the bats to see the net. Still 4 bats I am told is good. :)

wow...now that was enlightening!!  I wonder if the bats here are feeding on my hummingbird feeders at night?  I should investigate!!

Thanks for sharing that with us...absolutely amazing little creatures!!

Thanks, I am not sure what all areas have nectarivorous bats. I do know they migrate up to Southern Arizona and I am pretty sure Southern Texas and maybe the south part of California... you will have to do some research. I am sure if call your local game and fish office and/or US fish and wildlife office, they could tell you what kinds of bats are in your area.  So glad you enjoyed the post.

Thanks for the info meg.  I really do intend on investigating...I would be thrilled see one at a feeder.

Let me know what you find out. The ones we have here migrate, they are only here from May to October, they go back down to Mexico once it gets cold. They don't hibernate like some bats. They are so very cool to see. Really interesting creatures, and very important in the ecosystem.

Wow, M! Amazing pics, and info was great.  Little bat flies? Who would have guessed.  Thanks for sharing {#missing-tooth.gif}

You are welcome, thanks for stopping by. Glad you enjoyed the post.

Totally fantastic. A little different from the ones in Bratislava (Count Dracula's Castle).

Thank you, so glad you enjoyed the post. There are about 1,100 bat species worldwide, they are the 2nd largest group of mammals, about twenty percent of all mammal species are bats. That is a lot of bats. :)

What an incredible experience to see them up close and learn more about them first hand. GOOD FOR YOU!

It was wonderful, I am so glad I could share it with everyone here. I am also giving the photos from this year and last years, Bat Night to Scott at U.S. Fish and Wildlife to use in his presentation about the study. The great thing is he asked for them, so that really made me feel good. Thanks for stopping in, so glad you enjoyed the post.

Great photo essay!  They are cute little things, and so small compared to the visual in flight.  We had a bat in our home once as I mentioned another time, but we also had one that resided above the patio door that we did call animal control and they came and took it back down to the creek area near by.  The inspector called it a Little Brown Bat, but he also handled it with thick leather gloves and I noticed in your pictures no gloves were used.    

Thank you, so glad you enjoyed it. It is great to have a place to share these things. The little brown bat, if I remember correctly is the most common bat in the U.S.

The biologist that came out to trap the bats, do this all the time. I have read that biologists that often trap mammals get vacinated against rabies, now if they get bit they still have to have treatment but at a lesser extent if you or I were bit. I asked them if these lesser long-nosed bats ever bit one of them and they all said no. They said these bats seem to put up with trapping quite well. But last year one of the biologists said with certain species of bats they always wear leather gloves. And one of the ways they get them out of the nets is to let them bite the glove. So I guess it just depends on what type of bat it is. Of course as you know, you should never touch a bat or any wild creature, you never know which one might bite. :)

VEry impressive.  Tell me, did you get to touch one?

Thank you, I had such a blast. I got to touch not only one but two. They are so darn cool! I love bat night! They are kind of fuzzy, wooly and soft.

LOL! I looked up bat flies. There are they say 800 species!

http://www.wyomingbioinformatics.org/~kdittmar/BatFlies/batfliesoftheworld.html

Now this biologist is really serious about bat flies!

http://www.buffalo.edu/ubreporter/archives/vol39/vol39n13/articles/DittmarFeature.html

Holy mac-a-noly! That is almost as many species as there are species of bats. I was looking up bat parisites before I posted this, there seem to be two main types Nycteribiidae (no wings) and Strelidae (winged) Now once you get to species in each the list goes on forever, as you saw when you looked them up. The biologists just called them 'bat flies' on bat night but I am sure if I asked them, they would give me all kinds of info about them. I will save that for another day, and when I get better photos of the bat flies. Thanks so much for the links.

ROTFLOL! Yes it is! I think they do go on forever! I am willing to bet there are those out there they have no knowledge about.

You are welome.

I have to wonder do these 'bat flies' specialise in a species of bat. There are something like 1100 bat species and the bat flies say 800 so I have to wonder is there a bat fly for each species of bat... almost. I bet there are people out there that all they do is study bat flies, and most of the rest of us have never even heard of them... not the people or the bat flies. LOL

LOL! So true! I had never heard of either until you post...but then I did not know there were tha many types of bats!

:) I always seem to find the more I learn, the more I find out I have a lot more to learn. I only recently found out there were so many species of bats they make up close to 20 percent of all the mammal species, rodents top them. Bats are of course not rodents. Bats are in the order of Chiroptera which come from two Greek words, cheir "hand" and pteron "wing." Winged hand. :) http://www.untamedscience.com/biodiversity/animals/chordates/mammals/bats How is that for cool stuff you didn't know, but maybe you did and I didn't. :)

I did not know that either! It makes sense though!:)

If you go to the link , they have a big illustration of a bat's wing you can see how closely it resembles our hand, one less finger but so cool. Bats are really amazing. But then again, when ever I really look into anything it becomes fascinating. I wish I had way more time and a way, way, way bigger brain. :)

I will as soon as they finish the laser treatments on my eyes and I get glasses. YEA! It is working!

Awesome!!! How cool is that? VERY and wow what great advances they have made. I hope all works out wonderfully. By the way, how is your daughter? Did they ever figure out what the allergy was, and how are the teeth?

It is awesome! They have made great strides and I am so happy!

She is btter. Still breaking out and very sensitive to any chemical she comes in contact with especially on her skin but it is very mild compared to what it was...we have to steam clean all the furniture. I used the "natural flea spray" on it and it made her break out last night.:(

We have come to the conclusion it was the chemicals that I used on the lawn that she came into contact with when she cleaned under it. She also was using WD-40 to try to loosen the bolts on the wheels and really rubbed it all into her hands- where she broke out first....

Her teeth are doing great! She loves the difference it makes in the way she feels physically and her smile.

under the mower....

Excellent about the teeth. Bummer that she is still having reactions but good you figured out what may be causing them.

Great about your sight. That has to be wonderful news!

It really is. This time of not seeing has been a little rough.

It must be hard. I can't wait until you can see, that is going to be so totally cool. I can only imagine how awesome it is going to be for you. You are going to have so much fun, just looking at stuff. :) I am so happy this is working for you! How wonderful.

Yes, I will and thank you! A sunrise and sunset and my daughter and...the list is endless!

I can only imagine. {#floating.gif}

I can see OK with help. I am lucky, the only thing I think would be cool is to thread a needle and manually focus my camera. Back in the old days they had a split focus, I could do that, but now days the lenses are set up so you have to actually see. :) Ah well, I have auto focus and my computer where I can see the image in a real size not the tiny size one sees in a camera. That is little to wish for, I am so lucky that I can see most everything. I hope the same and better for you!

awesome. Do those little bugs bother the bats or are they symbiotic?

Thanks, I am not really sure but the biologists call them 'parisites'. One of the biologists during 'bat night' took the time to pick them all off the bat, so my guess is they are not really friends. :) I am still trying to find out more about them.

Update: I asked one of the biologists about this and he said they do the bats no good. He said they don't usually harm them but he has seen bats that were so infested with these that the bat died. I also found out these bugs even though they have wings, don't fly... I thought that was weird.

They are amazing creatures. I have learned so much about them in the last year or so. We had a 'bat night' last year, I posted that one too. I have been looking forward to these bats since they left last year. They will soon be migrating back to Mexico. These little bats don't hibernate like many other bats, they have to find a warm place and Mexico is much warmer than here in the winter. I will miss them when they go.

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