- Both are birds.
- Both have feathers.
- Both have wings.
- Both lay eggs.
- Both are vertebrates.
- Both are warm-blooded.
- Both have beaks.
- Both have two eyes.
- Both have a digestive system.
- Both have a respiratory system.
- Both have a circulatory system.
- Both have a nervous system.
- Both have a muscular system.
- Both have a skeletal system.
- Both have a reproductive system.
Differences:
- Finches are small birds, while owls are relatively large.
- Finches have a short, conical beak, while owls have a hooked beak.
- Finches have a long, pointed tail, while owls have a short, rounded tail.
- Finches have a weak sense of smell, while owls have a very keen sense of smell.
- Finches have poor night vision, while owls have excellent night vision.
- Finches are diurnal (active during the day), while owls are nocturnal (active during the night).
- Finches eat a variety of seeds and insects, while owls eat small mammals, reptiles, and birds.
- Finches build nests in trees or bushes, while owls build nests in trees or on cliffs.
- Finches lay 3-6 eggs per clutch, while owls lay 1-3 eggs per clutch.
- Finches incubate their eggs for 10-14 days, while owls incubate their eggs for 28-35 days.
- Finches fledge (leave the nest) after 10-14 days, while owls fledge after 35-42 days.
- Finches live for about 5 years, while owls can live for up to 20 years.