Bird Mite (speculative due to image quality)
Scientific Name: Ornithonyssus spp. (likely Ornithonyssus bursa or Ornithonyssus sylviarum)
Order & Family: Order: Mesostigmata; Family: Macronyssidae
Size: Extremely small, usually less than 1 mm (approx. 0.7mm to 1mm) – visible to the naked eye as moving specks like ground pepper.
Natural Habitat
Typically found in bird nests (pigeons, starlings, sparrows, poultry) but can migrate into homes through cracks, vents, or windows when the host birds leave the nest.
Diet & Feeding
haematophagous (blood-feeding); primarily feeds on the blood of birds but will bite humans and pets in the absence of an avian host.
Behavior Patterns
Active wanderers; when their primary bird hosts leave the nest, mites migrate in large numbers looking for a new food source. They are most active during spring and early summer.
Risks & Benefits
Risk: Their bites cause intense itching, irritation, and rashes (papular urticaria) in humans. While generally not known to transmit human diseases, the infestation causes significant psychological distress and physical discomfort. Benefit: None to humans or household ecosystems.
Identified on: 3/11/2026