Binoculars
CamerasNetsDecoy birds* mass spectroscopic * Emlen funnel * dummy owls * cages * binoculars * cameras * audio recorders * camcorders * wing tags * radio transmitters * netsThe tools that they use are....... * mass spectrosopic * dummy owls * cages * binoculars * camera * audio recorders * camcorders * wing tags * radio transmitter * nets These are all of the tools that an Ornithologist uses
he didnt use any tools
telescopes
Bluebirds benefit from woodpeckers. Sometimes bluebirds use old woodpecker holes to build nests in.
Binoculars
b
they use tools.
There are a couple of websites that have study tools you can use for chemical formulas. The website to check out would be Quizlet because they have a wide range of study tools for all subjects, including Chemistry.
rain gauge
rocks
There are several tools that geographers use to study the world. They are maps, GIS, remote sensing, observations, surveys, mathematical models, and air photos.
Bluebirds sometimes build more than one nest, as a diversion to predators.