Which Pokemon can nest / migrate?

The following list is of all the Pokemon that can currently nest in Pokemon GO. If you don't see a Pokemon listed below, then it can not be found in a nest and must be randomly found out in the world. You can click on a Pokemon's name down below to be taken to a list of all its current mega nests. This list is automatically updated based on the results of our mega nests.

Kanto - Generation 1

• Bulbasaur
• Charmander
• Squirtle
• Pikachu
• Clefairy
• Vulpix
• Oddish
• Psyduck
• Growlithe
• Poliwag
• Abra
• Machop
• Tentacool
• Ponyta
• Magnemite
• Doduo
• Seel
• Shellder
• Gastly
• Onix
• Voltorb
• Exeggcute
• Cubone
• Rhyhorn
• Horsea
• Scyther
• Jynx
• Electabuzz
• Magmar
• Pinsir
• Magikarp
• Eevee
• Omanyte
• Kabuto

Johto - Generation 2

• Chikorita
• Cyndaquil
• Totodile
• Chinchou
• Sudowoodo
• Aipom
• Yanma
• Misdreavus
• Wobbuffet
• Girafarig
• Dunsparce
• Snubbull
• Qwilfish
• Shuckle
• Sneasel
• Teddiursa
• Swinub
• Mantine
• Skarmory
• Phanpy
• Stantler

Hoenn - Generation 3

• Treecko
• Torchic
• Mudkip
• Poochyena
• Seedot
• Wingull
• Surskit
• Shroomish
• Makuhita
• Nosepass
• Skitty
• Sableye
• Meditite
• Electrike
• Plusle
• Minun
• Carvanha
• Wailmer
• Numel
• Spoink
• Swablu
• Corphish
• Baltoy
• Lileep
• Anorith
• Shuppet
• Duskull
• Luvdisc

Sinnoh - Generation 4

• Turtwig
• Chimchar
• Piplup
• Bidoof
• Kricketot
• Buneary
• Stunky
• Hippopotas
• Croagunk

Unova - Generation 5

• Snivy
• Tepig
• Oshawott
• Patrat
• Lillipup
• Purrloin
• Blitzle
• Roggenrola
• Foongus

• What actions trigger the cooldown period?
• How do you do speed raiding?
• What is the cooldown period for spoofing?
• How do you hunt shundos / shinies?
• How long must I wait to avoid a softban?