eclipse plumage
C2technical/specialist
Definition
Meaning
A dull, camouflaged set of feathers worn by certain male birds (especially ducks) for a brief period after the breeding season, replacing their bright breeding plumage.
A temporary, subdued state or appearance that follows a period of prominence or brilliance, often used metaphorically in non-ornithological contexts to describe phases of withdrawal or reduced visibility.
Linguistics
Semantic Notes
This is a highly specific ornithological term. Outside of birdwatching and zoology, its use is almost exclusively metaphorical. The term is a compound noun where 'eclipse' metaphorically references the obscuring of the bird's typical bright appearance.
Dialectal Variation
British vs American Usage
Differences
No difference in meaning. The term is used identically in specialist contexts in both varieties. Spelling of related words (e.g., 'colour'/'color') may differ in surrounding text.
Connotations
Neutral and technical in both varieties. The metaphorical extension is equally rare in both.
Frequency
Extremely low frequency in general discourse. Slightly higher frequency in UK English due to the strong tradition of amateur ornithology and birdwatching, but remains a niche term.
Vocabulary
Collocations
Grammar
Valency Patterns
The [bird] enters eclipse plumage.The [bird] is in eclipse plumage.to moult into eclipse plumageVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “in his eclipse plumage (metaphorical: referring to a man being temporarily less showy or visible)”
Usage
Context Usage
Academic
Used in biological and zoological papers discussing avian life cycles, moulting strategies, and sexual selection.
Everyday
Virtually never used. Possibly encountered in nature documentaries or high-level birdwatching guides.
Technical
The primary domain of use. Describes a specific phase in the avian moulting cycle, particularly in anatidae (ducks, geese, swans).
Examples
By Part of Speech
adjective
British English
- The mallard was in its eclipse-plumage state.
- An eclipse-plumage drake can be hard to identify.
American English
- The wood duck in eclipse plumage is surprisingly plain.
- Eclipse-plumage males often gather in secluded marshes.
Examples
By CEFR Level
- The bright male mallard loses its colourful feathers and enters a phase called eclipse plumage.
- In late summer, it is difficult to spot ducks because they are in eclipse plumage.
- Ornithologists study eclipse plumage to understand the moulting strategies and survival trade-offs in waterfowl.
- After the breeding season, the resplendent drake undergoes a dramatic transformation into cryptic eclipse plumage.
- The CEO's recent low profile was described by journalists as a kind of corporate eclipse plumage following the merger.
Learning
Memory Aids
Mnemonic
Imagine the sun (the bird's bright colours) being 'eclipsed' by the moon (dull, temporary feathers), hiding its brilliance for a short time.
Conceptual Metaphor
VISIBILITY IS LIGHT / OBSCURITY IS DARKNESS. A prominent or brilliant state is like being in the light; a temporary, subdued state is like being in shadow or eclipse.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate 'plumage' as 'перо' (a single feather). Use 'оперение'. Avoid a direct translation of 'eclipse' as 'затмение' in the metaphorical sense, as the compound is a fixed term. The Russian equivalent is 'эклипсовый наряд' or 'покровное оперение'.
Common Mistakes
- Using it as a verb (e.g., 'The bird eclipses').
- Confusing it with the more general 'winter plumage'.
- Using it to describe female birds (it is primarily a male phenomenon).
- Spelling 'plumage' as 'plummage'.
Practice
Quiz
What is the primary purpose of eclipse plumage?
FAQ
Frequently Asked Questions
No. The term is most accurately applied to certain species of ducks, where the contrast between bright breeding plumage and dull eclipse plumage is most pronounced. Other birds may have duller non-breeding plumage, but it is not typically called 'eclipse' plumage.
It is a temporary phase, typically lasting a few weeks to a couple of months, after which the birds moult again back into their bright breeding (nuptial) plumage.
Yes, though it is a very literary or niche metaphor. It describes a period where someone who is usually flamboyant or prominent becomes temporarily quiet, withdrawn, or unnoticed.
In detailed ornithology, 'basic plumage' is the plumage worn for the longest period, acquired by a complete moult. For many ducks, the eclipse plumage *is* the basic plumage—a temporary, dull version of it—which is then partially moulted to reveal the colourful 'alternate' (breeding) plumage. The terms can overlap and usage varies.