Porzana


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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Porzana

 

a genus of birds of the family Rallidae (rails). The body measures from 16.5 to 28 cm long and is laterally compressed. The bill is small, the wings short, and the digits long. There are 12 species, distributed throughout the world except for polar regions. The USSR has five species: the spotted crake (P. porzana), P. paykullii, the little crake (P. parva), the Porzana nigra, and Baillon’s crake (P. pusilla). The birds inhabit overgrown shores, damp meadows, and marshes. They are able to run rapidly through the thick grass, and they swim and dive well. The birds fly poorly. The nests are constructed on the ground, and a clutch contains seven to nine eggs. The birds feed on both animal and vegetable substances. Crakes are migratory. In the USSR the spotted crake is a common game bird.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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To conclude, the present proportion of the Lake Cedasas habitats is similar to the proportion of vegetation cover and open water the Black Tern (Chlidonias niger) and Little Crake (Porzana parva) need for living.
This limit indicates the total area of open and semi-open habitats (open water and hydrophyte sub-wetlands) that serve as nourishment areas for the Black Tern (Chlidonias niger) and Little Crake (Porzana parva).
Anatid epp(?) Galliformes Gallus gallus pi Gruiformes Porzana sp.
Mass (to nearest 0.25 g), length of forearm (to nearest mm), sex, age (juvenile or adult) and reproductive condition were recorded and a numbered aluminum band with rounded lips (Porzana Ltd., Birmingham, United Kingdom) was attached to the forearm of each bat before release.
People also introduced rabbits, which devastated the vegetation, turning the island into a virtual desert and leading to the extinction of three endemic land birds, the Laysan rail (Porzana palmeri), Laysan honeycreeper (Himatione sanguinea sanguinea), and Laysan millerbird (Acrocephalus familiaris familiaris), as well as 10 species of plants.
Sora (Porzana carolina).--According to Butler (1898), the Sora was a common breeder in northern Indiana.