You may have a lithium-ion one in your phone
battery
In baseball, it's the hot corner
third base
I surmise that this process is the logical derivation of a conclusion from prior statements
deduction
This national park has 5 entrances, hundreds of waterfalls & more than 300 active geysers
Yellowstone
During courtship certain varieties of this bird can beat their wings 200 times per second
hummingbirds
[DD]
That segment Jay Leno used to do where he quizzed people on the street
Jaywalking
.757 liters of Scotch
a fifth
It can be done to an idea, a plant or an animal & means cutting it apart to analyze it
dissect
Alphabetically, our national parks run from Acadia in Maine to this one in Utah
Zion
With males growing to over 5 feet, the world's tallest flying bird is the sarus species of this
crane
That bracelet or scarf that totally completes your killer outfit
accessory
[DD]
My intuition tells me you know this phrase for an extra level of perception
a sixth sense
Form of education focused on methods to help students not on site but attending via the internet or other means
distance learning
Known for its cliff dwellings, the name of this Colorado park is Spanish for "green table"
Mesa Verde
When it dives, this species of falcon goes faster than any other bird
a peregrine falcon
It's wielded by Novak Djokovic & Caroline Wozniacki
a racket
Andre the Giant & the Astrodome have been touted as this, adding to an ancient list
the eighth wonder of the world
The influential books "Sexual Politics" & "Sexual Personae" both grew out of these, written to earn a Ph.D.
dissertations
Of these 2 California parks, Ken Burns said one offers the biggest trees; the other, the tallest
Sequoia and Redwood
Found in the northern U.S. during winter, it's the bird seen here making a touchdown 
the snowy owl
A group of crows
a murder
The press inherited this ordinal nickname from the stratified class system of old Europe
the fourth estate
This rhyming phrase means that learning by repetition causes lack of interest
drill and kill
Located in Oregon, this deepest U.S. lake is in a national park of the same name
Crater
This endangered vulture with a state in its name has a wingspan of up to 10 feet
the California condor