I'm seeing clouds of tadpoles these days in the nearby pond, which prompts me to post a few photos I've taken of the toad life cycle. The start of it all - once the familiar spring trilling of the males has lured in the females - is in the first picture: Amplexus (Latin for "embrace"). The second shot shows the strands of eggs, which take a few days to a couple of weeks to hatch. The third pictures what's going on right now: thousands of tadpoles, which morph over the course of a month or two into toadlets. Those are the most difficult, I think, to capture photographically; they are very active once they leave the water. Though none of these stages are particularly tasty - thanks to their "bufotoxin"-producing glands - there are definitely predators out there, just waiting. Take a look back in the Animal Trackers of New England archives (Apr. 22, 2010) to see one.
We (formerly Nashaway Trackers) are a group of loosely connected nature lovers who enjoy sharing our observations and discoveries about the fauna and flora of the northeastern US. Most of us are especially interested in mammal tracks and sign, but we also post about birds, insects, plants, etc.
Thursday, June 9, 2011
Bufo Americanus: Our Humble Toxic Toad
I'm seeing clouds of tadpoles these days in the nearby pond, which prompts me to post a few photos I've taken of the toad life cycle. The start of it all - once the familiar spring trilling of the males has lured in the females - is in the first picture: Amplexus (Latin for "embrace"). The second shot shows the strands of eggs, which take a few days to a couple of weeks to hatch. The third pictures what's going on right now: thousands of tadpoles, which morph over the course of a month or two into toadlets. Those are the most difficult, I think, to capture photographically; they are very active once they leave the water. Though none of these stages are particularly tasty - thanks to their "bufotoxin"-producing glands - there are definitely predators out there, just waiting. Take a look back in the Animal Trackers of New England archives (Apr. 22, 2010) to see one.
What a great series, Susan. From passion to progeny. I must admit that the 2nd photo gave me the heebie jeebies, before I read what it was, but now I have a new appreciation for wormy things in the water.
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