Résumé
This is a complete study of the cause and reasons of the migration of birds. What makes Birds Migrate? Migration is the act of changing an abode or resting place, the wandering or movement from one place to another, but technically the word is applied to the passage or movement of birds, fishes, insects and a few mammals between the localities inhabited at different periods of the year. The wandering of a nomadic tribe of men is migration; the mollusc, wandering from feeding ground to feeding ground in the bed of the ocean, migrates; the caterpillar migrates from branch to branch, even from leaf to leaf; the rat leaves the ship in which it has travelled and migrates to the granary; we pack our goods, hire a removing van and migrate to a new abode. The word migration thus applied may be literally correct but it fails to convey the generally accepted meaning, and the expression Bird Migration suggests periodical and regular movement, the passage as a rule between one country and another..."
Caractéristiques techniques
| NUMERIQUE | |
| Éditeur(s) | Lm Publishers |
| Auteur(s) | Thomas A. Coward |
| Parution | 04/09/2019 |
| Contenu |
ePub + Mobi/Kindle |
| EAN13 |
9782366597547 |
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