Extreme bird nests bring comforts and catastrophe
In the Kalahari, giant straw masterpieces offer separate apartments, but watch out for snakes
![giant bird's nest](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/10/101516_notebook_itsalive_feat_free.jpg?fit=860%2C460&ssl=1)
FULL HOUSE Like most weaver bird homes, the underside of this nest is covered with dark holes — entrances to tunnels that lead to each family’s private unit.
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