That's definitely bear scat. Black bear since there aren't brown bears in ontario.

Yes indeed, my neighborhood often has "lost little pet" signs on the phone poles and I always assume a bigger critter got them (one friend watched an owl fly away with her small dog!). I always supervise my dog when out at night, and usually she only gets to go into the pool enclosure, not the whole big yard. That's partly to keep her out of a tangle with a bigger critter and partly to keep her for rousting too many bunnies, twice she's gotten the better of a bunny and I _really_ hate having to deal with that. I guess the scat was a big coon, maybe a coyote although it didn't resemble coyote poo very much. We must have a new critter around, last night something stole a large bone that the dog had left in the ivy near the house.

Cardamine bulbosa, or similar. But that's just a guess. It really needs a shot of the leaves to lock down the ID.

Iris, we have recently installed motion detecting security cameras around our home and have been shocked and enthralled by the number and variety of wildlife that stroll across a camera range, triggering a great video....and an alarm to our cell phones, lol. We've seen possums, skunks (including a white one), fox, coyotes, armadillos, and a great bat show every night. I call them the 'bat-capades'! I've seen many of those animals in the daylight with my own eyes but some were a big surprise to us.