Baillon's crake (Zapornia pusilla), also known as the marsh crake

Baillon's crake (Zapornia pusilla) is a small waterbird of the family Rallidae.
The breeding habitat is sedge beds from eastern Europe across the Palearctic. 
This bird species is migratory, wintering in east Africa and south Asia.

Gruiformes, Gruidae: from the Latin word grus meaning "crane".
Rallidae: from rallus new Latin for rail, an aquatic bird.
The genus name Zapornia is from an anagram of the genus Porzana which is from the specific name of a crake.
This bird is named after French naturalist Louis Antoine Francois Baillon. 
The names marsh crake and tiny crake have previously been used to refer to this species. 
pusillus is Latin for "very small".