When holding a black object in my hand, why does it trigger the crow s alarm and enemy resistance?

If you have a black object in your hand, the crow may think that you have harmed their kind as a threat, which will trigger their alarm.

Crows like to live in groups and are in groups, with a flock of up to tens of thousands. It is a forest-steppe bird that lives in groups in the woods or in the fields, foraging mainly on the ground, and has a steady gait. With the exception of a few species, they often nest in groups and wander in groups in autumn and winter.

Complex behavior, showing strong intellectual and social activities. The chirp is simple and gruff. Generally fierce and aggressive, often preys on eggs and chicks in the nest of waterfowl and wading birds.

Some caged crows for pleasure "talk", and some lab-raised crows learn to count to 3 or 4 and find marked food in boxes. [3]

Omnivorous, eating grains, berries, insects, carrion, and eggs of other birds. Many species like carrion and are harmful to seedlings and grains. However, during the breeding period, it mainly feeds on small vertebrates, locusts, mole crickets, golden tortoise shells and moth larvae, which is beneficial to agriculture.

In addition, because it likes to carrion and peck at agricultural waste, it can eliminate the pollution of the environment such as animal carcasses, and play a role in purifying the environment. [1]

It mainly inhabits various forest types such as low mountains, plains and mountain broad-leaved forests, mixed coniferous and broad-leaved forests, coniferous forests, secondary mixed forests, and plantations, especially in sparse forests and forest edge areas. Most of them are resident birds. The cluster is strong, and a group can reach tens of thousands.

They live in groups in the woods or in the fields, and are forest and steppe birds, mostly nesting in trees. Mainly foraging on the ground, with a steady gait. With the exception of a few species, they often nest in groups and wander in groups in autumn and winter.

Complex behavior, showing strong intellectual and social activities. The chirp is simple and gruff. Generally fierce and aggressive, often preys on eggs and chicks in the nest of waterfowl and wading birds.

Omnivorous, eating grains, berries, insects, carrion, and eggs of other birds. Many species like to eat carrion. It is distributed almost all over the world.

Ravens are monogamous for life. Courtship flaunting during the breeding season is more complex and is accompanied by acrobatic flights. Male and female build nests together, the nest is built on the high branches of the tree, in the shape of a pot, made of thick branches, reinforced with soil between the branches, the inner wall is lined with fine branches, grass stems, cotton and linen fibers, animal hair, feathers, etc., sometimes a thick layer of horse manure.

Each clutch lays 5-7 eggs. The eggs are grayish-green, with brown and gray spots. Females incubate eggs for 16-20 days.

Chicks are late-blooming, and the parent birds can only move independently after feeding for about 1 month. Wild crows can live up to 13 years. [3]

The crow is sensitive to black and thinks you're going to attack it.

Maybe the crow thinks you've hurt its kind.

Because black is a sensitive color for them.

As long as it is a black object, it will issue a warning.

Because they are wary of blackness.

Because it itself is darker, it is more sensitive.

Black is a very sensitive color for him.

Because he is more sensitive to black things.

Because it's the same color as itself, it's more wary.

Because black is a very sensitive color for crows.