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Avifauna of Pashukhali and Gajdhar Village in Netrokona District, Bangladesh

Shawkat Imam Khan
Department of Natural History, Bangladesh National Museum,Shahbag, Dhaka-1000, Bangladesh

Muhammad Saiful Islam
Department of Zoology, Jagannath University, Dhaka-1100, Bangladesh.

Habibon Naher
Department of Zoology, Jagannath University, Dhaka-1100, Bangladesh.

Abstract/ Executive Summary:

Avifauna of village Pashukhali and Gajdhar in the district of Netrokona, Bangladesh was carried out during July 2003-June 2004. A total of 101 species of birds belonging to 12 orders, 35 families and 82 genera were recorded. Out of 101 species, 61 (60.4%) were non-passerine and 40 (39.6%) were passerine. Among them, 80 (79.2%) were resident and 21 (20.8%) were migratory birds. Of the non-passerine birds, 15 (24.6%) were migratory and 46 were (75.4%) resident. While in passerine birds, 6 (15%) were migratory and 34 (85%) were resident. Of the total species, 18 (17.8%) were locally found to be very common, 41 (40.6%) were common, 29 (28.7%) fairly common and 13 (12.9%) rare or few. Out of 101 species, highest numbers (58.4%) of species were widely distributed. Maximum numbers of birds (78.2%) were terrestrial.

Keywords: Avifauna, Diversity, Netrokona

Location: Pashukhali and Gajdhar under the Upazilla Mohanganj in the district of Netrokona

Start Date: 00-07-2003

End Date: 00-06-2004

Program Area: Conservation and Biodiversity

Commodity: Poultry

Objectives:

1. The main objectives of this work were to make a list of bird species. In addition measuring the abundance of migratory species and their status, local distribution and habitat of birds are presented.

Methodology:

A year long (July 2003 - June 2004) survey was conducted out at the village Pashukhali and Gajdhar under the Upazilla Mohanganj in the district of Netrokona. The study area is surrounded by Meghalaya of India to the north, native district Sunamganj, Kishorganj and Mymensingh border the east, south and west of Netrokona respectively. The river Kangsa separated the village Pachuakhai from the Upazilla Dharampasha of Sunamganj district to the northern side and the river Dhanu is on the eastern side of the village Gajdhar. The field survey was conducted fortnightly between 0530 hr to 1800 hr. Minimum four days were spent in each visit. The time schedule fluctuated depending on the seasonal variation. All types of habitats (i.e., open field, paddy field, village area, bridle paths, rivers, river sides, canal, pond etc.) were covered under the study. The area was visited on foot. Sometimes non-motorized boat was used to cover the river, canal and wetland areas. The muddy area was surveyed on foot for wader group. Direct observations were made, sometimes binoculars to conduct the study. Bird species were identified by using standard books. For the convenience of the habitat study, areas were divided into eight types i.e., Open area (O), Paddy field (Pf), Bush (B), Tree (T), Water-edges (We), Village area (V), River edge (Re) and Pond (P). The local status of the birds, i.e., very common (Vc), common (C), fairly common (Fc) and few or rare (F) were ascertained on the basis of methods used by Khan (1982). The status categories are: Very Common (Vc) - bird species which were recorded on 80-100% of the field visits; Common (C) - species that were observed on 50-79% of the field visits; Fairly Common (Fc) - species that were found on 20-49% of the field visits and Few or Rare (F) - species that were found on less than 19% of the visits. Tree canopy used by the birds was recorded during observations.

Source of Information: Bangladesh J. Zool. 42(2): 141-152, 2014

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the habitat analysis it was found that most of the birds were found to use more than one habitat. Out of 101 species, the highest numbers of the species (78.2%) were recorded on land, such as; tree (41%), village area (16%), paddy field (12%), open field (7%), bush (2.2%), etc. Because it was more favourable habitat for feeding, breeding, resting and highly diversified than aquatic and semi-aquatic bodies. The lowest numbers (5%) of the birds were recorded from aquatic habitats. A brief analysis of canopy levels showed that most of the species (30.7%) were recorded in lower canopy. The lowest number of (3.9%) species used all three canopy levels. In case of migratory birds, most of the species (71.4%) were recorded in lower canopy while most resident (22.5%) bird species used both lower and middle canopies. The Gajdhar, Pashukhali were quite rich and diversified habitat for wildlife especially avifauna. During the monsoon the areas go under water and at late monsoon they become muddy with various feeding habitats, which rather invite waders and ducks in large groups.

Knowledge Management: Journal