How Big Are Crows (Comparison with Other Birds)
As an expert on birds, particularly crows, I’m excited to share insights into a question many bird enthusiasts ask: “How big are crows?”
Crows, part of the corvid family, are fascinating creatures known for their intelligence and adaptability. Their size, however, varies and is influenced by several factors, including their species and geographical location. In this article, I’ll delve into the specifics of crow sizes, compare them with other birds, and discuss the factors that influence their size.
This comprehensive guide will provide you with a deeper understanding of these intriguing birds. Let’s dive into the world of crows!
What are Crows?
Crows are medium to large birds, part of the Corvid family, which also includes jays and magpies. Known for their adaptability, crows are found in a wide range of habitats across the globe.
They are characterized by their long legs, thick necks, and heavy, straight bills. Most species are black or black and grey, but some are more colorful or well-patterned.
Crows are omnivores, eating everything from insects to seeds, and they are known to walk about purposefully when feeding on the ground.

Why are Crows Fascinating?
What makes crows truly fascinating is their intelligence. They are renowned for their problem-solving skills and amazing communication abilities. Some crows have even demonstrated the ability to distinguish individual humans by recognizing facial features.
They also show affection and empathy, caring for and comforting their sick or injured companions. These traits, combined with their adaptability and resilience, make crows a captivating subject of study.
General Size of Crows
Crows are medium to large birds, with their size varying depending on the species. On average, crows measure between 40-53 cm (16-21 in) in length, with the tail making up about 40% of this.
Their wingspan ranges between 85-100 cm (33.5-39.4 in). In terms of weight, crows can range between 316-620 g (11.2-21.9 oz).
These measurements give crows a distinct size that sets them apart from other birds.
Size of Different Crow Species
Different species of crows have different sizes.
For instance, the American Crow, one of the most common species, measures between 40-53 cm (15.8-20.9 in) in length and has a wingspan of 85-100 cm (33.5-39.4 in).
On the other hand, the Carrion Crow, found in the UK, measures 45 to 47cm long with a wingspan of 93 to 104cm.
What Makes the Size of Crows Unique?
What’s unique about the size of crows is the significant variation across different species. This variation is influenced by factors such as geographical location and habitat.
For instance, crows found in colder regions tend to be larger than those in warmer regions. This size difference among species adds to the intrigue and fascination surrounding these intelligent birds.

Size Comparison with Pigeons
When it comes to size, crows are generally larger than pigeons. While the size of pigeons can vary, most species measure between 29-37 cm (11.4-14.6 in) in length.
In contrast, crows, as we’ve discussed, can reach lengths of up to 53 cm (20.9 in). This makes crows noticeably larger and more robust compared to pigeons.
Size Comparison with Ravens
Ravens are significantly larger than crows. They can have a wingspan of 3.5-4 feet and measure 24-27 inches long from head to tail.
In comparison, crows have a wingspan of about 2.5 feet and are about 17 inches long.
This size difference is one of the key distinguishing features between crows and ravens.
How Does the Size of Crows Compare to Other Birds?
Crows are medium-sized birds, larger than many common birds like pigeons but smaller than birds of prey and their close relatives, the ravens.
Their size, combined with their black plumage and distinct cawing sound, makes them easily recognizable.
Understanding the size of crows in comparison to other birds can help bird enthusiasts identify them in the wild.
Factors Influencing the Size of Crows
Influence of Species and Geographical Location
The size of crows can vary significantly depending on their species and geographical location. Different species of crows have different sizes, with some species being larger than others.
For instance, the American Crow and the Carrion Crow, though both part of the crow family, have different sizes. Geographical location also plays a role.
Crows found in colder regions tend to be larger than those in warmer regions, a phenomenon known as Bergmann’s rule.
Influence of Diet and Habitat
Diet and habitat can also affect the size of crows. Crows are omnivores and their diet includes a wide range of food items, from insects to seeds. A diet rich in nutrition can contribute to a larger size.
Similarly, the habitat of crows can influence their size.
For instance, crows living in areas with abundant food resources may grow larger than those in areas with scarce resources.
What Factors Influence the Size of Crows?
In summary, the size of crows is influenced by a variety of factors, including species, geographical location, diet, and habitat. Understanding these factors can provide a deeper insight into why crows are the size they are.
It’s fascinating to see how these factors interact and contribute to the size diversity seen in crows across the globe.
Conclusion
In this article, we’ve explored the intriguing topic of the size of crows. We’ve learned that crows are medium to large birds, with their size varying depending on the species. We’ve also discovered that crows are generally larger than pigeons but smaller than their close relatives, the ravens.
Key Takeaways About the Size of Crows
- The size of crows can range between 40-53 cm (16-21 in) in length, with a wingspan of 85-100 cm (33.5-39.4 in), and they can weigh between 316-620 g (11.2-21.9 oz).
- Different species of crows have different sizes. For instance, the American Crow measures between 40-53 cm (15.8-20.9 in) in length, while the Carrion Crow measures 45 to 47cm long.
- The size of crows can be influenced by a variety of factors, including their species, geographical location, diet, and habitat.
As we conclude, it’s clear that the size of crows is a complex topic influenced by a variety of factors. Understanding these factors not only helps us appreciate the diversity among crows but also deepens our understanding of these fascinating birds.
References
- FAQs about Crows | – Corvid Research
- FREQUENTLY ASKED QUESTIONS ABOUT CROWS – Cornell Lab of Ornithology
- Crow Bird Family Overview | Corvids – The RSPB
- Birds to crow about | The RSPB
- 9 Uncanny Facts About Crows – Treehugger
- [PDF] Facts about Crows – WDFW
- British crow family guide: identification, habitat and species facts – Countryfile.com
- What to do about crows | The Humane Society of the United States
- 12 Fascinating Facts About Crows | Mental Floss
- Facts About Crows | Live Science