Scouts learn about, identify, and observe a wide variety of birds while doing the requirements for the Bird Study merit badge. They also listen for birds’ songs and learn how to provide a healthy habitat for birds.
Get the Bird Study Merit Badge pamphlet
Printable helps for requirements:
Printable requirements for Bird Study Merit Badge
Printable checkoff sheet for Bird Study Merit Badge
Printable note sheet for Bird Study Merit Badge
Printable checkoff sheet for all Scouts BSA merit badges
More ideas, helps, and related achievements for Scouts working on the Bird Study merit badge:
Gourd Birdhouse

Use dried gourds to make a birdhouse. If you didn't grow any yourself, you can probably find some in your area at a farmer's market or even a craft shop.
Nature and Environment Troop Program Feature for Scouts BSA Troops

The Nature and Environment theme focuses on plants, wildlife, and how we interact with nature. The program feature includes some general information and some more specific ideas for meetings:
Mendel’s Minions Scouts BSA Nova Award (Genetic Science) Helps and Documents

Mendel's Minions is the Scouts BSA Nova Award for investigating genetic science. To earn this award, Scouts must complete one of their science related merit badges and learn about related topics such as DNA, inheritance, genetic diseases, genetically modified food, the Human Genome Project, and more.
Project Planning Program Feature for Scouts BSA Troops

The Project Planning feature helps youth leaders learn how to accomplish their goals, whether that be a service project or a troop campout or planning other activities together. The troop does a group exercise of planning and carrying out a recycle regatta.
Easy Unfinished Wood Birdhouse, Snap Together (Pack of 12)

The pieces for these inexpensive bird house kits are all pre-cut and snap together, so your Cub Scouts just need to assemble and finish them. Use them for the Bear Fur, Feathers, and Ferns adventure or to add a fun activity to any Scout meeting. The kit includes the piece,s paintbrushes, paint, stickers, and instructions.
Wildlife Management Troop Program Feature for Scouts BSA

The Wildlife Management program feature materials point out that keeping the natural balance needed to promote the well being of wildlife involves more than biology. A wide range of STEM disciplines are involved. The program feature includes some general information and some more specific ideas for meetings.