Nice post by neighborhood blogger
This time of year, the park is alive with song, sun, and scavenging for just the right nesting setup. It’s often a team effort; as the robin above collected dry grass, her mate was on a nearby branch, seeeep-ing softly.
Robins’ approach to nest construction is within the broad category of assembling: taking biological or non-biological materials and putting them together in various ways to form a sturdy nest. More specifically, robins use an interlocking technique, piling sticks together, then weaving grass to make a soft bed for their eggs and later young.
But the real expert weavers in our woods are the Bushtits, those perfect tiny brown fuzzballs who work assiduously to weave a huge variety of forest materials—lichens, mosses, feathers, grass…
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