Dictionary > Ravens

Ravens

raven
(Science: zoology) A large black passerine bird (Corvus corax), similar to the crow, but larger. It is native of the northern part of Europe, asia and America, and is noted for its sagacity.
(Science: zoology) sea raven, the cormorant.
Origin: AS. Hraefn; akin to raaf, G. Rabe, OHG. Hraban, Icel. Hrafn, Dan. Ravn, and perhaps to L. Corvus, Gr.


You will also like...

A sperm cell fertilizing an ovum
Human Reproduction and Fertilization

For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

Still Water Animals
Still Water Animals

Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..

Schematic diagram of bacterial lactose operon
Gene Action – Operon Hypothesis

This tutorial focuses on the way genes control and determine every aspect of the body. It describes lac operon as an exa..

human brain structure
The Conscious & Unconscious Nervous System

This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..

genes controlling growth and development
Control of Growth & Development

Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..

Neural Control Mechanisms
Neural Control Mechanisms

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..