A museum curator with a ladder showed that birds that build cavity-style nests are able to protect their eggs with the skin ...

Check out these amazing facts and pictures of baby hummingbirds ... Do they reuse their nests or build new ones?” asks Birds & Blooms reader Kriss Reiff of Grand Junction, Colorado.

After the pictures are taken, Duquet said they then analyze them and assign each nest a number. “We can directly see that the birds are sitting on their nests. Seabirds are colonial nesters ...