Why is one chicken bullying the others and pecking feathers out? | arlo.® Atlas

Read time: 3 minutes

Overview

If one chicken is bullying the others and pecking feathers out, the usual cause is stress, competition or a flock management issue rather than simple bad behaviour. It can also happen if one bird is irritated, bored, overcrowded or being pecked because it looks different. The good news is there are several practical things you can check straight away.

Things To Check

1. Check whether the pecking happens at certain times, such as around feeding, in the coop at night, after changes to the flock or when birds are confined.

2. Look closely at the bullied birds for bare patches, broken feathers, scabs, redness or skin damage, especially around the tail, back, vent and neck.

3. Check the coop and run for crowding, limited feeder space, limited drinker space, lack of perches or places for birds to get away from each other.

4. Think about any recent changes, such as new birds, a move, different feed, a change in routine or less time ranging.

5. Make sure the birds have enough to keep them occupied, such as foraging space, scratching area and enrichment they can safely peck at.

6. Look for signs that one bird is weaker, smaller, injured or slower, as flock mates sometimes target birds that stand out.

7. Check for external irritation, such as mites, lice, dirty vent feathers or skin soreness, which can sometimes make pecking worse.

Common Causes

The most common causes are crowding, boredom, competition at feed or water, and changes to the flock routine. Chickens are very sensitive to space and pecking order, so even a small change can unsettle them.

Sometimes feather pecking starts because one bird already looks different, has missing feathers, or is weaker than the rest. Once pecking starts, other birds may join in.

Less commonly, irritation from parasites, skin problems or an underlying health issue in the bird being targeted can contribute to the problem. A bird that seems to be the bully may also be reacting to stress in the environment.

What To Do

Start by making sure all birds have enough access to feed, water and space. If possible, reduce competition by spreading resources out and giving the flock more room to move and retreat.

Separate any bird with damaged skin if the pecking is causing injury, so the feathers and skin have a chance to settle. Keep a close eye on the flock for a few days and note when the behaviour happens, as patterns often help show the trigger.

Improving enrichment can also help. More room to scratch, dust bathe and forage often makes a big difference. Keep the routine steady if you can, because chickens usually cope better with predictable conditions.

If the pecking bird or the bird being targeted seems unwell, quiet, off feed or markedly different from the rest, it’s sensible to get a vet involved.

Products That May Help

If you’re managing a flock problem like feather pecking, coop hygiene and day-to-day smallholding care can be easier to stay on top of with a practical routine.

Poultry & Smallholding

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