These two pigeon breeds -- the old Dutch capuchine, left, and komorner tumbler, right -- are not closely related, yet they both have feathery ornamentation on their heads known as a head crest. These ...

The bizarre, beautiful and, at times, almost comical diversity of “fancy pigeons” is captured here by photographer Luisa Maria Stagno. The much maligned pigeons we all know, which are ubiquitous in ...