Light Coloured Clothes( as per surrounding colours),
Small carry bag to carry Bird field guide Book,
Note pad and pen,
Water bottle, Cap,
Shoes as per terrain,
Watch to note bird timings.
Spotting Scope with stand is preferable (Helpful to watch bird at a far distance)
Location Map & Compass support to know bird flyway, direction of feeding, roosting, nesting etc.
GPS ( It is very helpful instrument to collect various data for birding research and records)
Hide/s is one of the most important places to watch bird: (For photography, research data collection purpose and without disturbing bird ; it provides privacy to birds.