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Photo Information
Copyright: Julia Hollis (Runnerduck) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 381 W: 57 N: 616] (1851)
Genre: Animals
Medium: Color
Date Taken: 2005-03-25
Categories: Amphibians
Camera: FujiFilm FinePix S5500
Exposure: f/3.1, 1/75 seconds
More Photo Info: [view]
Photo Version: Original Version
Date Submitted: 2005-03-30 12:35
Viewed: 5580
Points: 25
[Note Guidelines] Photographer's Note
The common frog, in spite of its name, is not common in many areas of Britain these days. In the intensively farmed countryside the frog has almost completely disappeared. Agricultural sprays, draining wetland habitats and filling-in small ponds that the frogs use as breeding sites, are the main reasons for the frogs’ decline.

In nature, over 99% of spawn will not reach maturity; the majority are eaten by a variety of predators.
At breeding time, a male frog will grab a female in an embrace known as amplexus. The pair will remain in this embrace for several hours. The male's grip is helped by his 'nuptial pads'- areas of rough skin on the 'thumbs' of the front legs. The pair produces a clump of frogspawn, which is a familiar sight in many ponds. Frogspawn consists of up to 2000 eggs, each consisting of a black embryo about 2mm in diameter, surrounded by a mass of protective jelly.
This jelly swells on contact with the water, eventually becoming a sphere around 8mm in diameter.
Tiny tadpoles develop from these embryos and will emerge within about two weeks, the exact time depending on temperature.
The tadpoles feed on plant and animal matter, using their rasping mouthparts, and grow rapidly. Within a few weeks, rear legs start to develop on their rounded bodies.
At this time, common frog tadpoles have the characteristic tadpole appearance- a large round coppery or brown body, with a long wide tail. Front legs develop internally soon afterwards, and can be seen underneath their thin belly skin. After around three months, the front legs will break through the skin, and shortly afterwards, the long tail will begin to recede.
The tadpole will then be able to leave the water, and metamorphosis into a tiny frog will be complete. The frog will then feed on tiny invertebrates, in a similar manner to the adults. Newly metamorphosed frogs are about 1 cm long.

Mortality is very high during the tadpole stage- the soft bodies of tadpoles make good food for a number of predators. Adult frogs are similarly vulnerable to predation by many species.

I hope you like this image. Again, another subject that wouldn’t keep still.
The pond was absolutely full of tadpoles, I’ve never seen anything like it.

I’ve had to do a bit of sharpening (whether I have overdone it or not is down to you…), and the image has been cropped.

Thanks for taking the time to look.

wideload, liquidsunshine, AdrianW, PDP, Robbrown, Janice, scottevers7, red45, Comandante, hummingbird24 has marked this note useful
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ThreadThread Starter Messages Updated
To hummingbird24: Thank youRunnerduck 1 04-03 04:49
To livios: ThanksRunnerduck 1 04-02 04:57
To Comandante: tadpolesRunnerduck 1 03-31 12:24
To red45: Pond lifeRunnerduck 1 03-31 05:02
To marhowie: TadpolesRunnerduck 1 03-31 03:58
To scottevers7: tadpolesRunnerduck 1 03-31 03:57
To AdrianW: 'polesRunnerduck 5 03-31 03:05
To Jancie: tadpolesRunnerduck 1 03-30 16:17
To Robbrown: TadpolesRunnerduck 5 03-30 16:11
To PDP: 'polesRunnerduck 4 03-30 15:52
To cafecrem: 'polesRunnerduck 1 03-30 14:08
To liquidsunshine: ThanksRunnerduck 1 03-30 13:30
To wideload: What?Runnerduck 2 03-30 13:19
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Critiques [Translate]

Well taken Julia, it could have done with a polarising filter to cut out some of the glare, but it is not a bad effort and a nice note too.

Nice shot Julia,
A little bit overexposed, but I do like it.
You had a hard shot with all those tadpoles moving around, and you've captured it well.
Thanks for posting

Nice shot! I haven't seen any tadpoles in a while, so it's good to see that there are some out there still... Agree with Terry/Wideload about the polarizing filter, it'll cut down reflections nicely. In the meantime I think I'd be tempted to run AutoColor in Photoshop to neutralise the somewhat cyan colour cast that's crept in here as a result of the sky reflecting off the water - and yes, this is an expensive hobby, no doubt about it... Not sure about the sharpening, the tadpoles are good, but the highlights on the water have dark haloes - did you use USM or highpass sharpening? Good note as usual! Well captured :-)

  • Great 
  • PDP Gold Star Critiquer/Gold Star Workshop Editor [C: 2821 W: 344 N: 3779] (11769)
  • [2005-03-30 13:55]
  • [+]

Wow! They are huge already! Nice shot Julia. A little soft in focus but it's tricky with all that water about. Nice one.

These look well on their way, Up here in Nottinghamshire they are only just starting to move around, let alone be laying eggs.
difficult to get good image through water, these are not bad at all, as has been said a polarising would help some.
but thank you for sharing and bringing spring to us.

  • Great 
  • Janice Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 3277 W: 148 N: 6163] (18832)
  • [2005-03-30 15:04]
  • [+]

What a busy pond of tadpoles Julia. What happy memories I have of tadpole hunting, but we don't see many of them now. Good shot.

This is a pretty tough shot to take without the right equipment. I think you have done a pretty good job. An intresting subject with great notes. I need that circular polarizer myself.

Runnin late..I looked ;-)

Brrrrrrr :-)
I couldn't tell it is something pretty... but photo very interesting and very original for sure!

  • Great 
  • red45 Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 2636 W: 74 N: 9091] (31094)
  • [2005-03-31 4:23]
  • [+]

I just love pictures from ponds and other small waterholes. Your tadpoles are very cute. I like those smart and fast creatures.

Interresting shot!
Good composition!
I think may be you should use a polarizer filter here.
Well done!

  • Great 
  • livios Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 2150 W: 319 N: 4263] (16942)
  • [2005-04-01 22:06]
  • [+]

Julia, a very nice idea, a great photo.

I've already tried this kink of shot, but, so far, I haven't been successful.

Great job.

Wow, I have never seen so many tadpoles in one spot either.I am glad to see that life goes on in this community of frogs. Excellent capture and wonderful notes. Thank you for sharing it with us.

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