Lots of people give food to the birds in their garden and get nothing in return - but when one girl feeds the crows outside her house, they show their affection with tiny presents.
The magpie that saved a family - BBC News
This Little Girl Began Feeding The Crows, Now They Bring Her Gifts
Crows Leave Gifts For Kind-Hearted Girl
The girl who gets gifts from birds
Nonhuman Animals as Property Holders: An Exploration of the Lockean Labour-Mixing Account
Crow -- dreaming of - #20 by speakerdamage - Monome - lines
The girl who gets gifts from birds - FULL -
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Nonhuman Animals as Property Holders: An Exploration of the Lockean Labour-Mixing Account