House Crow
House Crow
Also known as: Indian Crow, Graynecked Crow, Greynecked Crow, Ceylon Crow, Colombo Crow
Corvus splendens
Quick Identification guide
Quick Identification guide
Male
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glossy black plumage on the body with a distinctive greyish-brown collar around the neck
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strong, black beak that is slightly curved at the tip
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A sleek, slender body with a long, rounded tail
Female
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similar glossy black plumage with a greyish-brown neck like the male
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Shares the same strong, black beak as the male
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Slightly more slender and less glossy compared to the male but with a similarly shaped tail
What does a house crow sound like?
The house crow has a range of vocalizations, including harsh caws, squawks, and various other mid-tone and high-pitched calls. Its typical crowing sounds are 'kaa kaa' or 'kaaw kaaw', often repeated several times. No known song is associated with the house crow as it’s not a songbird. As social animals, they often communicate with each other in a cacophonous style, especially when in large groups. These vocalizations are used for a variety of reasons including warning each other of dangers, maintaining flock hierarchy and for interacting with each other.
Description
These guys' legs are so long, they are truly legendary. Where people are, that's where they'll be and they will make their presence known, not only because they are brash and bold but because they are also loud with a capital L. As luck would have it, they also love to form massive roosts!
The house crow can weigh between 245to371grams and be from40to43centimeters tall.
The house crow typically has a lifespan of 15 years. This is comparatively longer than some related species such as the American Crow and the Carrion Crow, which live for about 7-8 years, but shorter than the Common Raven, which can live up to 21 years in the wild.
Did you know?
Most popular questions about house crow
How to recognise a house crow?
General appearance
The house crow, also known as the Indian, greynecked, or Ceylon crow, has a glossy black color with a greyish neck and breast. It features a strong, stout bill and a tail longer than other crows. Dominatingly omnivorous, it has a versatile diet. It stands out with its distinctive cawing sound.
Male vs female
Males and females of the house crow species look identical with no significant difference in coloration or size, a trait known as sexual monomorphism. Both sexes have similar black and grey coloration. Still, males may be slightly larger and have a slightly thicker bill, which is not easily noticeable.
Juvenile
Juvenile house crows look much like the adults but have slightly duller coloration. Their feathers lack the glossy sheen seen in adults and they have a lighter-grey neck and breast. Juveniles also have brownish eyes, which darken with age, and their bills and legs are not as strongly black as in adults.
Breeding and nesting habits of the house crow
Mating behaviors
House crows engage in complex displays of courting that include vocalizations and physical gestures. Males often present food to females as a form of courtship, strengthening bonds before nesting.
Nesting details
House crows typically build their nests in tall trees, urban structures, and sometimes in gardens. The nests are made of twigs, wires, and various urban debris. In gardens, providing tall trees or artificial nesting platforms can attract them.
Eggs and chick-rearing
Females lay 3-5 eggs per clutch, incubating them for about 17-19 days. Both parents participate in feeding and guarding the chicks, which fledge in approximately 3-4 weeks. Parents remain attentive until the young are independent.
What does a house crow like to eat?
Aquatic animals
Bird eggs
Carrion
Fruits
Insects
Nectar
Nuts
Scraps
Seeds
Small animals
Natural diet
House crows are omnivorous scavengers, primarily feeding on insects, small animals, and carrion. They also consume seeds, fruit, and food waste. Vegetation and grains are part of their diet, and they are often seen foraging in urban environments for scraps.
Bird feeders
At bird feeders, house crows eat a variety of foods such as bread, cooked rice, nuts, and pieces of fruit. They are attracted to fatty foods like suet and will also consume leftover pet food if available.
Invite the house crow to your yard
Attracting house crows to visit your yard or feeder can be a fun and enjoyable experience. They are fond of a variety of snacks. Include a range of foods such as peanuts, sunflower seeds, and cracked corn to appeal them. If you really want to make them regular visitors, nothing works better than Bird Buddy seeds. These are recommended by experts and are specially selected for each season, thus providing the best results.
Optimal feeder types for house crows
House Crows are likely to visit feeders that allow them to perch while they eat. Platform feeders with wide edges or tray feeders are excellent options. If you prefer hanging feeders, go for tube feeders with large perches. Remember to keep feeders clean and food fresh to encourage crows to return.
Fun tricks to encourage crows to visit
To make your yard more appealing to crows, consider adding a birdbath or a water feature - they love both drinking and bathing. Another fun trick is to place shiny objects around the yard, as crows are known to be attracted to anything that shimmers. Lastly, playing birdcall or crow sounds can make them curious and entice them to drop by for a sing-along!
Where can you find house crows?
Primary habitat
House Crows primarily inhabit human-altered environments like towns, cities, and agricultural areas, particularly in their native regions of the Indian Subcontinent and parts of Southeast Asia.
Additional range
They have expanded their range, with populations now established in other regions including parts of Africa, the Middle East and Australia. They adapt well to various climates, from tropical to temperate.
Do they migrate?
The house crow is primarily a sedentary bird, meaning it does not migrate. Originally native to the Indian subcontinent, it has expanded its range extensively due to human activity, but it typically stays in one place throughout the year. House crows have been introduced to various parts of the world, including East Africa, the Middle East, Southeast Asia, and some islands in the Indian Ocean. They thrive in urban and suburban environments, often relying on human settlements for food and shelter. Although there are minor local movements, especially for roosting and foraging, these movements do not qualify as migration. Their expansion has often been facilitated by ships, leading to their spread along coastlines. As opportunistic feeders, they adapt well to new environments, contributing to their successful establishment in non-native areas. However, this has led to them being considered invasive in many regions due to their impact on local ecosystems and competition with native species. Overall, any movement by house crows is localised rather than migratory.
What is the role of house crows in nature and how to protect them?
Conservation status
The house crow is generally considered a common species, thriving in urban areas across South Asia, the Middle East, and parts of Africa. It is not currently classified as vulnerable or endangered. However, its spread to non-native regions has raised ecological concerns due to its impact on local wildlife and competition with indigenous bird species. Conservation efforts focus on control and management in areas where it is invasive. Significant threats to house crows include habitat loss due to urban development in their native range and targeted eradication efforts in regions where they are considered pests.
Ecological role of house crows
Its role in the ecosystem
The house crow, typically regarded as a nuisance species due to its aggressive behavior, actually plays an integral role in the ecological balance of its environment. As opportunistic scavengers, they contribute to pest control by consuming harmful insects and small rodents which potentially spread diseases. This reduces the need for chemical and biological control measures, thus protecting the ecosystem from hazardous substances. Furthermore, crows play a significant role in seed dispersal. They feed on a variety of fruits and nuts, and the seeds discarded or excreted in new locations facilitate the growth of new plants, contributing to habitat propagation. Also, crow predation facilitates natural selection, controlling population sizes and promoting stronger genetic traits in prey species. However, their adaptability and rapid proliferation can lead to bio-invasion, impacting local biodiversity negatively.
How to help protect house crows
Preservation tips
Habitat preservation strategies
To support the conservation of the House Crow, preserve its preferred habitats, which include urban areas and farmlands. Avoid unnecessarily pruning trees and maintain green spaces that provide nesting sites and food sources like insects, grains, and fruit. Advocate for green urban planning that values and maintains bird-friendly spaces. Implement responsible waste management techniques to control artificial food sources.
Community science initiatives
Engage the community in crow conservation through citizen science initiatives. Implement programs that educate the public about the role of House Crows in the ecosystem to help reduce negative perceptions. Encourage community members to monitor and report crow nest sites and numbers, and to participate in bird counts and climate watch programs. This aids in collecting valuable data for conservation planning and facilitates community investment in the species' survival.