Richard Collins: The avian 'prince of darkness' is thriving
A raven is technically a 'songbird' but its sounds are more typically croaks and grunts
Who will not change a raven for a dove? — Lysander in .
It is February and the raven, our largest songbird, has begun nesting. Its ominous croaks and grunts don’t exactly evoke the joys of spring, however... this is a bird of ill omen.
![<p> The International Union for the Conservation of Nature says that “an ecosystem is collapsed when it is virtually certain that its defining biotic [living] or abiotic [non-living] features are lost from all occurrences, and the characteristic native biota are no longer sustained”.</p> <p> The International Union for the Conservation of Nature says that “an ecosystem is collapsed when it is virtually certain that its defining biotic [living] or abiotic [non-living] features are lost from all occurrences, and the characteristic native biota are no longer sustained”.</p>](/cms_media/module_img/9930/4965053_12_augmentedSearch_iStock-1405109268.jpg)