Growing up in the city- studies on the reproductive success of birds in rural and urban areas.

Versloot, Flemming (2019) Growing up in the city- studies on the reproductive success of birds in rural and urban areas. Bachelor's Thesis, Biology.

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Abstract

Urbanization is impacting habitats and wildlife worldwide, but little is known about the effects that this might bring on wildlife.The urban habitat has gained an increase in attention as some animal species, such as birds, have shown to be able to adapt to living in this urban landscape. In this thesis, I will look at the differences in reproductive output between urban and non-urban birds by discussing comparison studies. Studies done on urban factors such as effects of bird feeders & anthropogenic food, urban heat, anthropogenic sounds, artificial light, predation and pollution will be discussed. I determined which urban factors might have a reported influence on lay date, clutch size, egg size, fledgling size and fledgling success. This thesis concludes that birds in urban areas often differ in reproductive output compared to non-urban conspecifics. Urban areas, mostly-, (but not necessarily) show earlier lay dates and smaller clutch sizes, and a decrease in fledgling size and fledgling success. These effects and the severity of these effects largely differ per species and area studied.

Item Type:	Thesis (Bachelor's Thesis)
Supervisor name:	Both, C.
Degree programme:	Biology
Thesis type:	Bachelor's Thesis
Language:	English
Date Deposited:	29 Jan 2019
Last Modified:	01 Feb 2019 11:04
URI:	https://fse.studenttheses.ub.rug.nl/id/eprint/19076

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