Field research tasks and their rewards are a huge part of Pokemon Go. Here is the full list of Pokemon you can encounter by completing specific tasks.
Field research tasks are obtained at PokeStops and are distributed randomly from the pool of tasks. This pool changes every two months and the particular task given by spinning a PokeStop changes daily.
The Pokemon encounters they award players are a great chance to find a specific species, in addition to increasing your chances of finding one with good IVs. Pokemon encountered by completing a field research task have an IV floor of 10, which gives you a much better opportunity of finding that coveted perfect IV.
The likes of Chansey, Dratini, Magmar and others can be difficult to find in the wild. Using field research tasks is a great way to find these species and even get their shiny forms.
December 2019 research tasks list
The full list of field research tasks and subsequent reward encounters to finish off 2019 are as follows:
| Field Research Task | Encounter/Reward | Chance of encountering shiny? |
| Catch 10 Pokemon | Magikarp | Yes |
| Catch 15 Pokemon | Sandshrew | Yes |
| Catch a dragon-type | Dratini | Yes |
| Catch 3 different species of dark-type | Poochyena | Yes |
| Catch 3 different species of psychic-type | Drowzee | Yes |
| Catch 4 grass or ice-type | Seel | Yes |
| Catch 5 fairy-type | Marill | No |
| Catch 5 normal-type | Zigzagoon | Yes |
| Catch 3 electric, water or fire-type | Doduo | No |
| Catch 5 Pokemon with weather boost | Vulpix or Poliwag | No/Yes |
| Use 5 berries | Snorunt | Yes |
| Use 5 razz berries | Swinub | Yes |
| Use 10 nanab berries | Scyther | Yes |
| Make 5 nice throws | Voltorb | No |
| Make 3 great throws | Gastly, Buneary, Lileep or Anorith | Yes/Yes/Yes/Yes |
| Make 3 great throws | Onix | Yes |
| Make 5 great curveball throws in a row | Spinda | Yes |
| Make 3 excellent throws in a row | Larvitar | Yes |
| Battle in a gym | Mankey or Makuhita | Yes/Yes |
| Battle in a gym 5 times | Machop | Yes |
| Win a gym battle | Bulbasaur, Charmander or Squirtle | Yes/Yes/Yes |
| Win 3 gym battles | Jynx | No |
| Battle a team leader 2 times | Natu | Yes |
| Use a super effective charged attack in 7 gym battles | Electabuzz | No |
| Battle in a raid | Spoink | Yes |
| Take 5 snapshots of Eevee | Gulpin | No |
| Win a level 3 or higher raid | Omanyte or Kabuto | Yes/Yes |
| Battle another trainer | Electrike | Yes |
| Win 5 raids | Aerodactyl | Yes |
| Hatch an egg | Exeggcute or Hoppip | No/No |
| Hatch 3 eggs | Magmar | No |
| Hatch 5 eggs | Chansey | No |
| Power up Pokemon 5 times | Bulbasaur, Charmander or Squirtle | Yes/Yes/Yes |
| Evolve a Pokemon | Cubone or Eevee | Yes/Yes |
| Earn 3 candy walking with your buddy | Ponyta | Yes |
| Send 10 gifts to friends | Sneasel | Yes |
| Trade a Pokemon | Bronzor | Yes |
| Transfer 3 Pokemon | Sableye | Yes |
December research breakthrough rewards
Earn seven stamps by completing any of these field research tasks on seven separate days and you earn yourself an encounter with a legendary Pokemon.
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The Kanto legends — Zapdos, Articuno and Moltres — joined Kyogre and Groudon to complete the breakthrough encounter pool for November and December. New research breakthrough rewards will be begin in January.
Niantic switched things up for September and October by making flower crown Eevee the research breakthrough reward. This was a decision that left many Pokemon Go trainers frustrated.
This list of field research tasks and the breakthrough rewards will apply until the end of December.
While these legendary Pokemon often aren’t the highest CP it is still very much worth having them. After all, you’re not going to see them in the wild! Make sure you maximize the number of them you get by managing your field research tasks to get a stamp every single day.