The following points highlight the top nine types of system in pigeons. The types are: 1. Muscular System 2. Digestive System 3. Respiratory System 4. Circulatory System 5. Lymphatic System 6. Nervous System 7. Endocrine System 8. Excretory System 9. Reproductive System. Type # 1. Muscular System: The muscular system of pigeon is extremely modified to meet the requirements of [...]
In this article we will discuss about the Migration of Birds:- 1. Definition of Bird Migration 2. Types of Bird Migration 3. Causes 4. Guiding Mechanisms 5. Disadvantages. Contents: Definition of Bird Migration Types of Bird Migration Causes of Migration Guiding Mechanisms in Bird Navigation Disadvantages of Bird Migration 1. Definition of Bird Migration: The word "migration" has come from [...]
In this article we will discuss about the classification of birds. 1. Subclass Archaeornithes [Gk. Archios = ancient + ornithos = bird] [1 species, Jurassic, Bavaria]: i) This subclass includes most primitive, fossil birds of Jurassic period and are known from Germany. ii) Wings had primitive feathers. iii) Tail feathers were arranged in a row along each side of a [...]