A couple of weeks ago my boss phoned just as I was packing up to leave work for the day. She’d received a report from a park visitor who had found an owl chick sitting on one of our mountain bike trails, and was phoning to see if I knew what the general advice was regarding owl chicks found out of their nests. But I didn’t know. My acquisition of wildlife factoids that assist me as a ranger has developed principally on a ‘learn as you go’ basis. Any knowledge that my fusty old brain manages to retain about a…