**Author details**

Heimo Mikkola1 \* and Anita Mikkola<sup>2</sup>

1 University of Eastern Finland, Kuopio, Finland

2 Master of Science and Master of Arts from The University of Oulu, Finland

\*Address all correspondence to: heimomikkola@yahoo.co.uk

© 2022 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*The Vocal Activity of Twelve African Owl Species DOI: http://dx.doi.org/10.5772/intechopen.103887*
