What is a main cause of reduction in bird populations?

a. land development
b. overfishing
c. increased insect populations
d. stolen bird eggs

The branch of biology which deals with birds is called ornithology. It describes the nature and the behaviour of the bird.

Over the years the population of birds start decreasing due to overexploitation.

The reason why the population of birds reduction are as follows:-

Therefore, the main cause of reduction in bird populations is  Land development.

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What is a main cause of reduction in bird populations?

A.Land development

B.Over fishing

C.Increased insect populations

D.Stolen bird eggs

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what the squwock

explanation:

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.