Wiktionary
vb. 1 (context transitive English) To kill by the effects of wintery conditions 2 (context intransitive English) To die from the lethal effects of wintery conditions
Usage examples of "winter-kill".
The split bones of a winter-killed buffalo littered the ice, mixing with the scattered feathers of a hapless crow.
She slipped out of bed, hastily snatching up the cloak she had made from the skin of a winter-killed bear.
They had found a winter-killed buck on a stream bank and were eating it.
A single horse stood in the icy cold, head down searching the tops of the winter-killed grass.
A large meadow with winter-killed weeds waist high, weighted down with snow.
Then they sit the eggs in winter, when there isn't quite as much to eat but they also aren't going to have to eat as much, then they have babies to feed in deep winter when there starts to be winter-kills and cold-kills lying around?
Then they sit the eggs in winter, when there isn’t quite as much to eat but they also aren’t going to have to eat as much, then they have babies to feed in deep winter when there starts to be winter-kills and cold-kills lying around?