22K views · 193 reactions | The life cycle Tadpole development This process varies according to the species and even the environment in which the animal is found, and can last between two and four years. And once the tadpole matures, the thyroid gland goes into action by producing a hormone that activates growth. #cycle #ciclos #estagio #stages #week #desenvolvimento #frog #sapos #aquarist #cachoeira #natureza #nature #cachoeirinha | Natural Fish Aquarium | Facebook

18K views · 138 reactions | Watch this beautiful time-lapse video of a tadpole's growth to frog. The process of transformation by which animals undergo extreme and rapid physical changes sometime after birth is called metamorphosis. (Video: victorharold/Instagram) #LearningNeverStops #MondayThoughts #AnimalVideo #Nature | India Today | Facebook

291K views · 2.5K reactions | Life as a tadpole only lasts one to three months, but the metamorphosis into a frog is massive. | National Geographic Animals | Facebook

Beautiful blood flow. High-speed differential interference contrast microscopy showing the flow of blood through capillaries in the tail of a common toad (Bufo bufo) tadpole. The horizontal field of view is 500 micrometres. The tadpoles were unharmed by this procedure, and were released back into the wild. Credit: Sinclair Stammers / Science Photo Library https://bit.ly/2ZZu3hZ #amphibian #bufobufo #larva #tadpole #toad | Science Photo Library