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The New Mexico Breeding Bird Atlas Project

Atlas Handbook

Nest Observation Form

Document number (for office use)  ________      

Most species breeding can be confirmed without finding nests. When nests are found specific information can be collected. This is an optional but useful part of the atlas project. Nest records can provide detailed information for all species, but are especially useful for rare species or special concern species in New Mexico, as well as important for describing unique New Mexico nest characteristics for species with wider geographic ranges. When you find a nest please fill out the card and return it your regional organizer. Please ask your regional organizer for more cards, as you need them. Please remember that disturbing an active nest is a violation of the Migratory Bird Treaty Act, so keep your distance!

Species (standard common name) _______________________________________________
Year _______________
Observer (full name) _________________________________________________________
Locality ___________________________________________________________________
County ___________________________
Basis of identification _________________________________________________________
Habitat (give atlas cover type group code) ________________
Nest Site (circle where appropriate)
Bare ground, on ground in vegetation, floating, low vegetation, shrub, deciduous tree branch,
deciduous tree cavity, conifer branch, conifer cavity, nest box, cliff or bank, other (specify)
Principal plant or structure supporting the nest ______________________________________
Height of eggs above the ground or water in feet (feet and tenths if under five 
feet) or meters (meters and decimeter if under two meters). ____________________________

Month (mm) Day (dd) Number Eggs Number Young Nest Building Adult Incubating Comments (Stage of nest building: eggs present, young present, or age of young, etc.)

Outcome (circle where appropriate)

Unknown because not revisited Failure due to competition with other species
Young seen leaving nest Failure due to weather
Parent(s) excited near nest Failure due to predation
Parent(s) with young near nest Failure due to invertebrate parasites
Nest empty, intact Failure due to cowbirds
Nest empty, damaged Failure due to human activities
Nest Deserted Failure due to pesticides (give details)
Other (Please describe)

Go to the Atlas Forms page for a printable version of the Nest Observation Form.

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