A great way of providing nesting opportunities for house martins. Ideally mount the bowl under eaves on the sheltered side of a building. Ensure there is an adequate drop (at least 2 - 3 metres) beneath the bowl for the house martins.
For top tips on making your nest box a success, see our blog on Five FAQs About Attracting Birds to Your Nest Box.
Material: ceramic nest bowl mounted on a wooden back