Find a Bird Dictionary Topic
Bird On! is pleased to provide this authoriative dictionary of birdwatching terminology. It includes the full text of the original book and is provided with the kind permission of the author and publisher.You may view the topics alphabetically:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or you may search for topics that begin with a string:
The following topics begin with O:
- Object glass (or object lens)
- Occiput
- Ocular
- Oesophagus
- Oil gland
- Oiling
- Old World warbler
- Olfactory
- Oligotrophic
- Omnivorous
- Oology
- Open canopy
- Open season
- Operation Seafarer
- Opportunist feeder
- Orbit
- Orbital ring
- Order
- Organ
- Organism
- Organo-chlorine
- Oriental (Region)
- Orientation
- Ornithosis
- Oscines
- Outer tail feather
- Outer toe
- Ovary
- Ovate
- Overbrooding
- Overshooting
- Oviduct
- Oviparous
- Ovum