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Understanding bee swarms

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Understanding bee swarms
09 December 2025
A bee sitting on a daisy
While a swarm of bees may be frightening for some, bees are generally at their most gentle during this time when left alone.

Bee swarming season

As we enter the warmer months, you may notice clusters of bees hanging out in trees, on fences, or even on the front of a beehive. Although it can be alarming at first, this swarming behaviour is normal for bees and a sign of a healthy ecosystem.

Why do bees swarm?

Bee swarming occurs when a hive of bees is looking for a new home, having outgrown their old one.

A swarm, when it first leaves a hive generally won’t travel far before it hangs off something, like a tree branch or fence post. Scout bees will then search for a suitable tree or hive box to establish their new home. The swarm may remain there temporarily, anywhere from a few hours to as long as a week, while they decide on the perfect location!

Relocating a bee hive

If a hive is in an inappropriate area, such as overhanging a footpath or playground the City will engage a professional to capture and relocate these bees to a safer area. The City of Canning is a bee friendly City and where possible we like to leave them bee! 🐝

  • Find out more about reporting pests
  • For information and advice on keeping bees, please contact the City on 1300 422 664
Western Honey Bee sitting on a White Solitaire flower

Bearding

Bearding is another common (and harmless) bee behaviour, especially on hot, humid days:

  • Bees gather in a "beard-like" cluster on the outside of their hive entrance to fan their wings and create airflow. This cools the hive and makes space inside for important tasks like tending to baby bees.
  • The bearding is usually short lived and stops by late afternoon when the temperature cools.

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