Référence :

1)ours polaire :

 https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwix29zxze7aAhWlsKQKHdLNDmsQjRx6BAgBEAU&url=http%3A%2F%2Fwww.epochtimes.fr%2Fvoici-comment-les-ours-polaires-font-face-au-changement-climatique-7584.html&psig=AOvVaw3ssK94pFgjIDHbn6xmAQSv&ust=1525610908208048

Animaux en danger :

https://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwiz6JyO57naAhUCzKQKHfejCXUQjRx6BAgAEAU&url=http%3A%2F%2Fwww.dehondt-desmets.fr%2Farticle-animaux-en-danger-122046771.html&psig=AOvVaw3TI_HCGFuSTVroKy7gYvXx&ust=152379https://www.google.ch/url?

accueil :

https://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=2ahUKEwjR4P2F7bnaAhXRzKQKHZQ8CtUQjRx6BAgAEAU&url=https%3A%2F%2Fververt.wordpress.com%2F2011%2F05%2F14%2Fdanger-animaux-en-voie-de-disparition%2F&psig=AOvVaw3TI_HCGFuSTVroKy7gYvXx&ust=1523796662258493

singe :

 https://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwiN9qOhze7aAhUEy6QKHQjoDSIQjRx6BAgBEAU&url=https%3A%2F%2Fwww.quizz.biz%2Fquizz-292716.html&psig=AOvVaw3CwCSBLI712Skl8UCvorB4&ust=1525610795595217

rhinos :

https://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=2ahUKEwj2wbDC7rnaAhVR26QKHftDDT4QjRx6BAgAEAU&url=http%3A%2F%2Fdarium.over-blog.com%2F2015%2F10%2Fle-rhinoceros-blanc-du-nord-en-voie-de-disparition.html&psig=AOvVaw2tqrRc8DFhzyanL8ImhJ-G&ust=1523798595744545