Grails are not vertebrates, as they are nonliving. There is a family of birds called rails (Rallidae) which are vertebrates.
Grails are not vertebrates, as they are nonliving. There is a family of birds called rails (Rallidae) which are vertebrates.
A coot is a medium-sized water bird, a member of the Rallidae family, with black plumage.
The rails, or Rallidae, are a large family of small to medium-sized birds.
A Zapata rail is a bird from the family Rallidae, with the Latin name Cyanolimnas cerverai.
A Calayan rail is a flightless bird from the family Rallidae which inhabits Calayan Island in the Philippines.