Common Snipe. I'm not sure of the situation in Aichi, but could this be a wintering bird?

A flock of around ten. Also wintering birds, perhaps?

Two Common Snipes in a dry area.

Wood Sandpiper, with a Common Snipe upper right.

Japanese Wagtail, male. All the individuals were distant, but it's always a treat since you almost never get to see one in Okinawa.

There was a small flock of several Buff-bellied Pipits.

A Grey-headed Lapwing incubating. A female, perhaps?

I often came across Grey-headed Lapwings in pairs. It looks like the early stages of breeding.

I could hear Eurasian Skylarks singing clearly, but they were hard to spot.

There were plenty of Dusky Thrushes too. Not as many Naumann's Thrushes as you'd see in Okinawa though… ^^;

Great Crested Grebe in breeding plumage.

This one is a Great Crested Grebe in winter plumage.