Parental Care of Amphibia

There are about 8100 known living amphibians, of which nearly 90% are frogs. Amphibians first appeared about 340 MYA (million Years Ago) ago during the Middle Mississippian Epoch of the Paleozoic Era.  Frog, newts, toads, caecilians, salamanders are the modern amphibians which have various characteristic features. Parental Care of Amphibia Parental care is one type … Read more

Brown Shrike-Lanius cristatus

Brown shrike(Lanius cristatus) is a passerine migratory bird of Bangladesh which belongs to the family Laniidae under order Passeriformes of class Aves. They are also known as also known as “butcher birds” due to their feeding habits. They are found in grassy areas along the hills of Bangladesh, in forests and even in scattered bushes. Systematic … Read more

Watercock-Gallicrex cinerea

The watercock (Gallicrex cinerea) is a passerine bird which belongs to the family Rallidae under order Passeriformes of Class Aves. They are found in swamps across south Asia from India and Sri Lanka to south China, Japan and Indonesia. They roam in places where there is a lot of water. They are found in paddy … Read more

Spotted Crake : Porzana porzana

The spotted crake (Porzana porzana) is a migratory waterbird which belongs to the family Rallidae under order Gruiformes. During winter, they migrate to Pakistan, India, and Bangladesh from Europe and Western Asia. Systematic Position Phylum: Chordata Subphylum: Vertebrata Class: Aves Order: Gruiformes Family: Rallidae Genus: Porzana Species: Porzana porzana Habit and Habitat Spotted crake is … Read more

Common Rosefinch: Carpodacus erythrinus

The common Rosefinch is also known as scarlet rosefinch which belongs to the family Fringillidae under order Passeriformes. It is found in Asia and Europe. In winter season, they are observed in southern Iran, South-east China, Bangladesh, India, Myanmar and Indonesia. In summer, they are found in woodland, forest edges very near to rivers while … Read more

Amphibia: Characteristics, Classification and Examples

image of Amphibia

The class Amphibia belongs to the subphylum Vertebrata of phylum chordata. All the representatives of Clssa Amphibia are ectothermic, tetrapod vertebrate animals which inhabit a wide variety of habitats including terrestrial, arboreal, fossorial,  or freshwater aquatic ecosystems. The name amphibian is derived from Greek word “amphibious” which means “living a double life”. Because some species … Read more