蝙蝠は鳥ではなく哺乳類だ。
Sentence Analyzer
English Translation
        A bat is not a bird, but a mammal.
    
Furigana
Romanji
        Kōmori wa tori de wa naku honyūrui da.
    
Words
            
                蝙蝠
            
            
                (こうもり、かわほり、へんぷく、コウモリ)
            
        
        
            bat (Chiroptera spp.); umbrella; opportunist; turncoat
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                鳥
            
            
                (とり)
            
        
        
            bird; bird meat (esp. chicken meat); fowl; poultry
        
    
            
                で
            
            
                (で、にて)
            
        
        
            indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.
        
    
            
                無い
            
            
                (ない)
            
        
        
            nonexistent; not being (there); unpossessed; unowned; not had; unique; indicates negation, inexperience, unnecessariness or impossibility; not ...; to not be...; to have not ...
        
    
            
                哺乳類
            
            
                (ほにゅうるい)
            
        
        
            mammal; mammalian
        
    
            
                だ
            
            
                (だ)
            
        
        
            be; is; indicates past or completed action; indicates light imperative