What is chelidon?

• Chelidon is a genus of birds in the family Hirundinidae, which includes swallows and martins.
• The genus Chelidon is considered to be monotypic, containing only one species, the common house martin (Delichon urbicum).
• Common house martins are small passerine birds that are known for their distinctive white underparts and brown-blue upperparts.
• Chelidon martins are migratory birds that breed in Europe and western Asia, and winter in sub-Saharan Africa.
• They are social birds that often nest in colonies on buildings and other man-made structures.
• Common house martins primarily feed on insects, which they catch in flight using their acrobatic flight skills.
• Despite being widespread and common, house martins face threats from habitat loss and climate change, which can impact their ability to find suitable nesting sites and food sources.