Two Green Herons perched on fence posts are watching the drying grasses of the vernal pool. A tiny toad struggled across the sidewalk at my feet, giving me an idea of what the herons might be watch for. This one got away! My feeding station seemed deserted, but I heard a noisy House Finch jabbering away. Every now and then a small flock of about ten of them would take over the station, then take off in a flash. The…..