Natural Threats
The successful breeding of chicks is dependent on sufficient supply of green caterpillars as well as satisfactory weather. Breeding seasons may be affected badly if the weather is cold and wet between May and July, particularly if this coincides with the emergence of the caterpillars on which the nestlings are fed.
Read more about this topic: Blue Tit
Famous quotes containing the words natural and/or threats:
“For my own part, I commonly attend more to nature than to man, but any affecting human event may blind our eyes to natural objects. I was so absorbed in him as to be surprised whenever I detected the routine of the natural world surviving still, or met persons going about their affairs indifferent.”
—Henry David Thoreau (1817–1862)
“Do not extort money from anyone by threats or false accusation, and be satisfied with your wages.”
—Bible: New Testament, Luke 3:14.
John the Baptist to Soldiers.