The Crows are medium to large birds. The crow scientific name is Corvus. The crow higher classification is the Crow family. The lifespan of the Common raven is 10 – 15 years, the Australian raven is 22 years and the American crow is 7 – 8 years. The Mass of the Common raven is 0.69 – 2 kg, the Australian raven is 650 g, and the American crow is 320 – 620 g. The length of Common raven is 56 – 78 cm, Australian raven is 46 – 53 cm, and American crow is 40 – 53 cm. The wingspan of the Common raven is 100 – 150 cm, the Australian raven is 100 cm, and the American crow is 85 – 100 cm. The crows are sexual maturity in 3 years for females and 5 years for a male. The female crow is laying in a 3 – 9 egg.
The American crow scientific name is Corvus brachyrhynchos and lived in the United States, southern Canada, and northern Mexico. The cape crow or cape rook scientific name is Corvus capensis and lived in Eastern and southern Africa. The northwestern crow scientific name is Corvus caurinus and lived in the Olympic peninsula to southwest Alaska. The hooded crow scientific name is Corvus cornix and lived in Northern and Eastern Europe and Northern Africa. The Crows are omnivores. The Crows are eating small animals such as mammals, amphibians, reptiles, eggs, and carrion. The crow is also eaten by insects, mollusks, seeds, grains, nuts, fruit, non-insect arthropods, and even other birds. The Crows are live into 14 years.
Phylum - Chordata
Class - Aves
Order - Passeriformes
Subfamily - Corvinae
Genus - Corvus
Type of crow:-
1. American crow (Corvus brachyrhynchos)
2. Carrion crow (Corvus corone)
3. Fish crow (Corvus ossifragus)
4. Flores crow (Corvus florensis)
5. Hawaiian crow (Corvus hawaiiensis)
6. Indian jungle crow
7. Indian crow
8. Mexican crow (Corvus imparatus)
9. Northwestern crow (Corvus caurinus)
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