Some fruits of the breeding efforts of Windhover Pond spotted salamanders

I’ve started to see freshly metamorphosed spotted salamanders at Windhover Pond, so all the trouble the adults went through in the spring (from the frigid temperatures to being harrassed by us on the way in) was apparently worth it.

Here’s a picture of a new metamorph. As it grows, the yellow speckles will migrate into the two rows of spots that we’re accustomed to on the adults:

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This is a new look for this guy. A picture of the same individual just weeks earlier would have revealed the greener color, tail fin, and external gills of an aquatic larva:

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Spotted salamanders are done for 2014

No incoming salamanders after the few rain events over the last week, so looks like they are done breeding for the year. Only 141 animals came to the Windhover pond this year, the lightest migration yet. Also the shortest, maybe owing to the long winter?

Nevertheless, larvae are on the way. Here’s a spotted salamander egg mass. Notice that this thing is larger than a female! When an egg mass is laid, it swells up with water, mostly due to the formation of a thick protective jelly-like coating. You can just start to make out the external gills forming on the developing embryos.

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In other news, snapping turtles are on the move. These are only slightly more difficult to help over the fence.

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Kids’ books featuring salamanders

I stumbled upon a few kids’ books featuring spotted salamanders and thought the information might be useful for some of our readers. They look to be a nice mix of science education and fun/engaging stories. I’ve not read them all but it looks like they receive very positive reviews. I vaguely remember reading “The Salamander Room,” featuring what looks like a red salamander, and on a few occasions (unsuccessfully) attempted to create amphibian habitats in my bedroom.

Salamander Rain: A Lake and Pond Journal by Kristin Joy Pratt-Serafini

Big Night for Salamanders by Sarah Marwil Lamstein

A Salamander’s Life by John Himmelman

The Salamander Room by Anne Mazer

 

 

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Walk tonight, snow tomorrow??

We’ll have a salamander walk tonight (Monday April 14). Meet across from Bath Elementary at 8:45p. See here for additional details. The night will start off warm, but may drop down around 40 by the time we’re done. After that…1-3 inches of snow! So, we’ll try to retrieve animals from buckets before they get snowed on.

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New York Times article

the story below from  The New York Times helps put our  salamander study
in perspective

http://nyti.ms/1mVHtz5

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Small salamander run at Windhover Pond this past Monday

We ended up capturing 45 salamanders on Monday night, putting us over 100 for the year.

The animals in the video (sorry for the zoom, I underestimated the quality of the non-zoomed picture) below got to breeding shortly after I released them. All of the individuals are actually males here, but females soon joined the action and a decent swarm formed eventually. Notice the individual who stops and shuffles his hips back in forth; these behaviors are not well-studied, but he may be searching for spermatophores from other males to cover with his own. Also notice the tail-waving, this may be to disperse his scent through the water.

There should be eggs in there pretty soon!

Wrong species dude (not to mention gender!). He was really holding on; it took some effort to pry him off of there.

Wrong species dude. He was really holding on- it took some effort to pry him off.

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Walk Monday, April 7

Looks like up to an inch of rain is coming our way tomorrow, so let’s do a walk. If for some reason this changes, I will cancel by 5pm. See here for logistical details.

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