purple martin
By protected habitat areas, and by providing nesting boxes.
Many died in communal roosts during winter nesting in areas where carbon monoxide was present. Clearing of dead trees removed nesting places. Now, bird nesting boxes have expanded by people, and bluebirds have returned to former numbers.
This all depends on what species of bird it is, and what they are doing there (nesting, mating, etc.)
Yes, though they are a different subspecies and have different nesting habits than their Eastern counter parts.
It is found only on Christmas Island (an Australian territory in the eastern Indian Ocean).
Storks are a common nesting bird found naturally in many areas in South America and in the South-Eastern states of the US. One of the best places to see nesting storks is in Florida at the Corkscrew Swamp Sanctuary, near Naples.
The Nesting was created in 1981.
Well, that depends on which type of bird you are?.
Eastern chipmunks are native to North America, primarily found in regions stretching from southeastern Canada to the eastern United States. They inhabit a variety of habitats including forests, woodlands, and suburban areas with suitable cover for nesting and food sources like nuts, seeds, and fruits.
Check the related link for Matryoshka and find the values.
They aren't necessarily rare, but they have had population declines because of loss of habitat (grasslands) and competition for nesting sites from invasive species such as European starlings.
nesting the tags in a consistent manner