
Community identification
Bird Mite
Ornithonyssus sylviarum / Dermanyssus gallinae
- Order & Family
- Order: Mesostigmata; Family: Macronyssidae or Dermanyssidae
- Size
- 0.5 mm to 1.0 mm (barely visible to the naked eye)
Natural Habitat
Found in bird nests, poultry houses, and indoor environments near window sills or vents where birds nest.
Diet & Feeding
Obligate blood feeders, primarily targeting birds but will bite humans and other mammals if their primary host is gone.
Behavior Patterns
They are highly active, fast-moving, and most active at night. When bird hosts leave a nest, mites migrate into buildings searching for a new blood meal.
Risks & Benefits
They do not live on humans or transmit diseases to them, but their bites cause intense itching, skin irritation, and dermatitis.