shirr การใช้

• The call is described as a " shirrrr shirr shirr shirr ", with a dominant frequency of 3780 Hz, each call lasting 3 to 7 sec with three to 10 pulses.
• The call is described as a " shirrrr shirr shirr shirr ", with a dominant frequency of 3780 Hz, each call lasting 3 to 7 sec with three to 10 pulses.
• The call is described as a " shirrrr shirr shirr shirr ", with a dominant frequency of 3780 Hz, each call lasting 3 to 7 sec with three to 10 pulses.