Food availability limits avian reproduction in the city: an experimental study on great tits (Parus major)

Gábor Seress, Krisztina Sándor, Karl Evans & András Liker
1. The altered ecological and environmental conditions in towns and cities strongly affect demographic traits of urban animal populations, for example avian reproductive success is often reduced. Previous work suggests that this is partly driven by low insect availability during the breeding season, but robust experimental evidence that supports this food limitation hypothesis is not yet available. 2. We tested core predictions of the food limitation hypothesis using a controlled experiment that provided supplementary insect...
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22 downloads reported since publication in 2020.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?