Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; Central processing units for processing information, data, sound or images; Downloadable computer programs using artificial intelligence for use in machine learning on the detection and classification of avian sounds in the field of bird watching; Downloadable computer software using artificial intelligence for use in machine learning on the detection and classification of avian sounds in the field of bird watching; Downloadable pattern recognition software for identifying different species of birds; Encoded electronic chip cards for use in identifying bird species; Hand-held electronic units used to identify bird species and bird songs; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Recording devices for sound and image carriers; Sound cards; Sound transmitting apparatus