Red pandas are going extinct because of habitat destruction. They also reproduce slowly, that's why they're one of the most endangered animals.. :(
        
                    
             
        
        
        
In Galapagos Charles Darwin Discovered a large amount of birds and reptiles that had developed a sense of isolation from the main land.
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Serious systemic fungal infections and parasitic infections usually only develop in individuals who are immunocompromised. These individuals have a weak immune system. The body cannot respond quickly to infections since their immunity is not very well developed.