John Tann: Striped marsh frog spawn - day 2
John Tann: Striped marsh frog spawn - day 3
John Tann: Striped marsh frog spawn - day 4
John Tann: Striped marsh frog spawn - day 5
John Tann: Striped marsh frog spawn - day 6
John Tann: Striped marsh frog spawn - day six and a half
John Tann: Striped marsh frog spawn - day 7
John Tann: Life in the pond
John Tann: Newly hatched tadpoles - detail