Bird

Ancestors

• Sauropsida subclade
• Sauropsida
• Amniote subclade
• Amniote
• Tetrapod subclade
• Tetrapod
• Vertebrate subclade
• Vertebrate
• Chordate subclade
• Animal subclade
• Animal
• Eukarya subclade
• Eukaryote
• Species
• Taxonomy
• Biology
• Natural science
• Science
• Ciro Santilli's Homepage

Incoming links

• Amniote
• Homeothermy
• Lysozyme
• Non-clade groups are evil
• Polyphyly
• Reptile
• Tetrapod