Thanks to everyone who voted in the polls! I know it's been a long time between uploads lately, but thankfully I'm now halfway to my goal on patreon that would allow me to transition to a full time content creator! If you're sick of having to wait 2-4 weeks for a new video, please consider tossing me a few bucks over there.

"You'll never unlock flight." *Laughs in Pilot.*

peregrine falcons, for when u want to snipe in a melee based game

.....wait....birds had intentionally been starting fires? How do you explain to that to an insurance company!?

Also, owls, especially Snowy owls, get nerfed big time when it rains, as their soft feathers act like a sponge and become waterlogged, so the bird can't use the fly ability when its wet out

"You can't choose all abilities." Platypus: "Hold my beer."

yet again, I've been fooled into learning.

“While there are three currently available classes that can fly, the poster child of this ability is the bird.” Fly mains: 😔

"It would take so long to make a bird tier list the youtube algorithm would leave me behind" Tier Zoo three years later: Makes bird tier list Me three years later: is brought to channel by bird tier list

"easily the best main for someone who was a velociraptor main in a previous expansion" really got me. god i love this channel.

8:13 of course, freaking Australia would have birds intentionally start fires. Oh my god, that’s hilariously horrible.

glad to see someone give ospreys the ospraise they deserve

The Harris hawk is also worth mentioning as they are the only bird of prey which hunts in groups. They coordinate their attacks within the group which makes them very powerful and easily S tier

"Easily the best main for someone who was a Velociraptor main in a previous expansion" I paused the video. Clicked Like, then unpaused.

6:00 I literally slowed the video to .25x speed and only saw the falcon on screen for 3 frames. Jesus Christ.

I wish that the world was actually like this, when you die you can just change classes and respawn

Shoutout to the Kestrel a build from the Falcon guild which has tweaked it's flying points to that it can hover in mid air. This allows them a great hunting vantage point without spending stamina or needing thermals to ride on (like Buzzards) This efficiency means that they are a viable build despite their small size, and has led to them spreading to almost every server.

Australian hawks caught intentionally starting fires to force prey out in the open..... Australia, I'm afraid you broke your parole. Again.

Secretary birds are intimidating. The San Diego Zoo has a pair of them. When an eagle on stilts walks up the the glass and looks you right in the eye, it gets pretty intense.

secretary birds and peregrine falcons have been my faves since middle school, so glad to see them both getting s tier

0:55 Tier zoo:it'll take forever to make a bird tier list Tier zoo 3 years later:oh so you challenge me

Man, I freaking love secretary birds! They’re literally modern day velociraptors.

Thanks for spoiling the Secretary Bird class for us, now every 12 year old is gonna wanna play it :(

"you can't choose all abilities" platypus : _how bout I do, anyway?_

Fish: Ahhhh, feels goooood... Eagle: I'm gonna end this man's whole career.

Did that falcon break the pelicans neck mid air

That Falcon headshot is savage AF lol

Eaven on .25 speed, that falcon at 6:02 flew across that screen and fisted that duck in under an irl second, UNDER A SECOND ON .25 SPEED!

Owl: target sighted going dark Eagle/Hawk: commencing bombing run Falcon: launching predator missile Vulture: lock down this zone

You know how some builds have nicknames, like the "killer whale" orca or the "trash panda" raccoon? I hereby nominate the goshawk the "parkour raptor."

This. This is what KZfaq was made for. If I had to describe this channel in 3 words, they would be: yes but more.

Just found your channel, and the gaming term metaphors are S class. Love it haha, and I'm not even a big gamer I been into animals/nature and stuff already, but yeah great content, subscribed!

Owls are criminally underrated, as their talons are fierce and hearing is impeccable. Their biggest con is definitely not being able to fly when it rains.

"The physics engine of the game". GENIUS.

In the current meta, TierZoo is, by far, one of the best builds available on KZfaq.

I love how well you combine zoology with fighting games. Very niche, but I find it absolutely amazing! I think Im finally gonna subscribe

Great horned owls actually have a 500 psi talon grip, enough to crush the skulls of prey animals, and have been known to chase off bald eagles from their nests. It’s literally called the Flying Tiger due to this and their striped pattern Also, 2:06-2:15, those Great horned owls literally attacked both ospreys and a bald eagle.

Holy hell, there are actually birds that carry, drop, and spread fires to flush out prey. How have I never heard of this before? Animals learning to use tools is one thing, but fire!?

this channel is easily S tier

As a solo hawk main, I appreciate you pointing out the various differences between the A tiers. Many new players tend to just pick eagles, because they think they have more powerful attacks, but the gameplay of the hawk can be so much more fun as you get better accustomed to the controls and really make use of that agility buff. I do wish we had some more distinctive traits though.

0:31 I feel that cat...

I had the biggest goofiest smile when you said Secretary bird because ITS MY FAVORITE... as you can see by my icon I drew

Now i understand where the Falcon Punch comes from

You went from lumbridge ost to imaginary places instrumental. Aside from your content which is already top tier, the music choices are impeccable.

This makes me wonder how good giant, flightless vultures would be

hometown: absolutely tiny birds that dont do anything australia: birds that spread fire

WTH that falcon dive was op AF So basically you have to dodge _before_ he does it due to input lag?

Man I just discovered these videos today what a hoot. Thanks for the laughs bud!

6:04 Holy shit I saw that bird for like 2 frames.

Oh, I love Secretary Birds! The best game I've ever played was with a Secretary Bird. One time, I was face-to-face with a deadly cobra, staring it down. We both sat there for what felt like forever, locked in mental combat; I had never been able to stand up against a cobra in any of my previous play-throughs on the server. It tried to bite me, but my scaly legs gave me defense against its venom attack, and it gave me a punish opportunity, and I nailed the stomp attack right on it and took it out. When my companion showed up, he almost couldn't believe what I had done (we were both new to the build then). He still plays as a secretary bird as his main to this very day.

It took me 5 videos to finally realise he isn't talking about an actual game, I think I've brought shame to the human build.

This video has opened my eyes to other bird classes I want to try, I've usually stuck with the Australian classes since I know that server but seeing such cool classes in other servers makes me want to expand my gameplay

This is the best video you made. I watch it ever so often I love it so much.

Despite your C-tier upload schedule, your S+ tier content and A tier wit make you a definite force to be reckoned with in the KZfaq metagame. One solid buff in any direction would make this channel build overpowered like hell. But seriously, another amazing video. Props.

Blessed be the day that I clicked in one of your videos its been a while since I liked a youtuber so much thank you.

I love the fact that I pause the video when stat bars are showed, and carefully analyze.

6:00 hooly shit that was fast. Had to slow the video down to 0.25 to even see the falcon

Wow, they need to nerf the startup frames on the secretary bird's kick. Got hit with that online, it's totally unreactable.

Ok, now I get it. Eagle hunt by their strength. Hawk by their mobility. Falcon by their speed. I still don't know what am I to do with this information.

I just found this channel and from the first minute I know it’s my new favourite.

Content so good, you can rewatch it, we need more channels like you

As a biology student your channel is the best thing i ever found on youtube

man this has to be the cleverest educational channel ever

i really wish you would post more but i get that it takes a lot of time. This give me even more respect for you

The flute music is amazing how did I not realise this sooner

Holy moley the secratary bird is the coolest thing I think I've ever seen

*Googles Secretarybird*

Thank you dude. At least half of my knowledge on animals comes from you my guy. I appreciate you.

TierZoo no idea if it is coming but my daughter loves watching the cockatoos, crows, galahs and magpies in our neighbourhood, I would love to see other in depth videos like this about the other bird options!

Holy shit, I just realized that the Secretary Bird was the main inspiration for the Blaziken O.o

Was thinking about this channel all day during my Zoology class and I come home from it to see you've uploaded. This is an S+ tier day.

Secratary Birds are peak power gamer hours. When traits are selected purely for optimising the meta no matter how weird and goofy the resulting build is.

I really liked the attributes you put in the bottom left. I hope to see them again

Living things that have learned to use fire, in order. Eucalyptus Trees - 50mya in Gondwana (Australia). Humanoids - 164,000ya in Africa Raptors - 2018 in Australia. Australia.

You're probably my favorite educational creator on youtube, and one of my favorites anyways

Love that bus driver track in the background.

02:13 **Laughs in American** "Eagles are only A-tier" "Yeah, A as in AMERICA!!!!!!"

6:00 I had to go back and slow the video right down just to see that attack. That was a bullet. Not a bird. Holy shit.

"make its grabs inescapable" game theory are ospreys actually just fucking ice climbers

I love the secretary bird, it's such a unique build and easy to forget that it's a raptor. I watched nature documentaries and programs like Eyewitness as a kid, and in at least one of them they showed a secretary bird, and I thought "What a fearsome-looking lady that bird is!" I also played the Hugo games (the Danish troll) as a kid, one of them takes place in Africa, I don't remember if secretary birds were in it, but another interesting bird that was in the game was the, uh, marabou stork? A very big, very ugly-looking stork/vulture bird, with black topside, white underside and a fluffy white mane and bare-skinned head, I think a scavenger and a fearsome-looking one too. Also a not very well known bird, but one I learned about because of childhood video games. I think the African painted dog was also in the game, called "wild dogs" in the game, I think. I mostly love the secretary bird, both for its unique build, huge viability in flight, speed, accuracy and just walking around owning the place, but also because its design really does look like a secretary, with that haircut (feathercut?)! XD Makes it memorable!

I once watched a documentary about owls. I don't know if this part was about just one type of owl, or all owls, but it said that despite their insanely good hearing, owls are so quiet that they can't even hear the sound of their own flying. I don't know if that's true, but it sure sounds badass.

I remember writing an essay on peregrines in a KZfaq comment. Worth it.

Tierzoo, I think you’re in the top tier of content creation, all I ask is that you maybe make your voice a little louder in the videos compared to the music. Either way keep up the good work!

Wasn't expecting Imaginary Places instrumental. Nice choice.

So the algorithm still loves you bro. Nice tier list on birds.

The dislikes obviously came from nerfed previous builds.

Mindblown at the firespreading.

TierZoo: Making an exhaustive bird tier list would take such a long time Also TierZoo: *Makes fish tier list* lol

Love the video! Very informative. That being said I think the owl class is A tier +. They’re able to hear prey under 4 feet of snow, spin their head 180 degrees, and have no natural predators. I think there were a few under-looked game breaking abilities.

Falcon: Omai wa, moe, shindieru. Duck: Nani?

Secretary birds are pretty awesome looking too! I didn't realize they were actually raptors though. This is really cool. And those Australian fire starters are impressive. I can't wait for the next bird video! I still want a rodent tier list! You've been spending a lot of time on predators, let's see the other side!

Cant get enough of these vids

When discussing vultures, you forgot about bearded vultures, who exchange the imperfect tank style for a weird niche build where they gain experience by scavenging what's left after the other animals have looted the carcass. Their unique Ossivore trait literally generates loot and experience from bones. Add to that an incredibly powerful build as one of the largest airworthy birds in existence and some beefy talons and you have a recipe for a class that no one else really wants to bother with because they lack normal loot pools and are just too much of a nuisance in combat to want to deal with for experience.

Man, I loved secretarybirds before, but holy moly.

North Korea sends a missile: I sleep TIERZOO UPLOADS: I WOKE

Ok great song choice. Wasn’t that in like THUG? Man I loved that instrumental, you’re so great dude. Side note, play some monster hunter, I don’t know if I’ve seen any monster hunter style scenes yet, they’d be so fitting.

6:00 The look on the ducks face (in 0.25x speed stuttered by pause-play chaining because it happens so damn fast) is beyond priceless.

I love how he means gravity by "letting the physics engine of the game do the work for them"

God tier content as usual

I remember my first playthrough I was a beta tester so early on that I could only play as single cell organisms