Selitev žab

Viri in literatura: https://www.google.com/imgres?imgurl=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2Fd%2Fdf%2FTeichfrosch.jpg%2F1200px-Teichfrosch.jpg&imgrefurl=https%3A%2F%2Fsl.wikipedia.org%2Fwiki%2FZelena_%25C5%25BEaba&tbnid=d5AyyUOgVR9S5M&vet=12ahUKEwiSpculm_3tAhWZG-wKHRF-ANkQMygAegUIARCoAQ..i&docid=LfKVM7hQmIuZGM&w=1200&h=1002&q=%C5%BEabe&ved=2ahUKEwiSpculm_3tAhWZG-wKHRF-ANkQMygAegUIARCoAQ