Define the word ecology in
your own words,

Ecology:- is the scientific study of the interactions between living creatures, such as people, and their physical surroundings. Individuals, populations, communities, ecosystems, and the biosphere are all considered in ecology. Biogeography, evolutionary biology, genetics, ethology, and natural history are all closely connected fields of ecology.

What the scientist should do first is that, he should identify the local names of the birds are not relevant.

Secondly he should identify the species for each bird by way of using dichotomous key. The work of dichotomous key is to help the scientist to be able to know the speciment's name.

Third the scientist should identify the food which the birds eats.

The fourth thing which the scientist should do is to understand the pattern for the migration of birds.