"and when he grew older attempted more preposterous things."

I had a dog like that. His name was Ginger. He reminded me of the story about the new rooster that a fellow had purchased. The rooster was released and immediately went to attend his anointed rounds: three hens, a cat, two small dogs, a pigeon, the duck and a turkey. The fellow mused, "He's gonna kill himself." Next morning the owner saw some vultures circling overhead. He ran outside to find the rooster on its back, his tongue hanging out, his head tilted to the left and his wings spread. He walked over and said aloud, "Damn it, I knew you'd kill yourself with your shenanigans!" The rooster opened one eye and replied, "Sssssh. They're getting closer."