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Filter this Collection| x name | x image | x article |
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| x Female |
Female (♀) is the sex of an organism, or a part of an organism, which produces ova (egg cells). The ova are defined as the larger gametes in a heterogamous reproduction system, while the smaller, usually motile gamete, the spermatozoon, is produced...
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| x Population density |
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Population density (in agriculture standing stock and standing crop) is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans. It is a key geographic term.
Population...
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| x Transect |
A transect is a path along which one records and counts occurrences of the phenomena of study (e.g. plants).
It requires an observer to move along a fixed path and to count occurrences along the path and, at the same time, obtain the distance of the...
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| x Tinamou |
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The tinamous are a family comprising 47 species of birds found in Central and South America. One of the most ancient living groups of bird, they are related to the ratites. Generally ground dwelling, they are found in a range of habitats.
The family...
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| x Larus |
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Larus is a large genus of gulls with worldwide distribution (although by far the greatest species diversity is in the Northern Hemisphere). Many of its species are abundant and well-known birds in their ranges. Until about 2005–2007, most gulls were...
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| x Anecdotal evidence |
The expression anecdotal evidence refers to evidence from anecdotes. Because of the small sample, there is a larger chance that it may be true but unreliable due to cherry-picked or otherwise non-representative samples of typical cases.
It is...
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| x Egg |
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In zoology, an egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg (Latin, ovum) is the zygote, resulting from fertilization of the ovum, which is expelled...
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| x Brood parasite |
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Brood parasites are organisms that use the strategy of brood parasitism, a kind of kleptoparasitism found among birds, fish or insects, involving the manipulation and use of host individuals either of the same (intraspecific brood-parasitism) or...
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| x The Sibley Guide to Birds |
The Sibley Guide to Birds is a reference work and field guide for the birds found in the North American region as defined by the American Birding Association. It is written and illustrated by ornithologist David Allen Sibley. The book provides...
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| x Little Tinamou |
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The Little Tinamou, Crypturellus soui, is found in Central America and South America.
Crypturellus is formed from three Latin or Greek words. kruptos meaning covered or hidden, oura meaning tail, and ellus meaning diminutive. Therefore Crypturellus...
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| x Breeding Bird Survey |
A breeding bird survey monitors the status and trends of bird populations. Data from the survey are an important source for the range maps found in field guides. The North American Breeding Bird Survey is a joint project of the United States...
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| x Bare-eyed Thrush |
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The Bare-eyed Thrush, Spectacled Thrush, or Yellow-eyed Thrush (Turdus nudigenis), is a resident breeding bird in the Lesser Antilles and in South America from Colombia and Venezuela south and east to northern Brazil. In Trinidad and Tobago, this...
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| x Male |
Male (♂) refers to the physiological sex of an organism, or part of an organism, which produces sperm. Each spermatozoon can fuse with a larger female gamete or ovum, in the process of fertilization. A male cannot reproduce sexually without access...
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| x Great Tinamou |
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The Great Tinamou Tinamus major, also called Mountain hen is a species of tinamou ground bird native to Central and South America. There are several subspecies, mostly differentiated by their coloration:
Great Tinamou are approximately 44 cm (17 in)...
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| x Green Violetear |
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The Green Violetear (Colibri thalassinus) is a medium-sized, metallic green hummingbird species commonly found in forested areas from Mexico to northern South America.
The Green Violetear belongs to the order Apodiformes. Hummingbirds share this...
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| x American Flamingo |
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The American Flamingo (Phoenicopterus ruber) is a large species of flamingo closely related to the Greater Flamingo and Chilean Flamingo. It was formerly considered conspecific with the Greater Flamingo, but that treatment is now widely viewed (e.g....
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| x Brown Violetear |
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The Brown Violetear (Colibri delphinae) is a large hummingbird that breeds at middle elevations in the mountains in Central America, and western and northern South America (primarily the Andes and the Tepuis) with isolated populations on Trinidad...
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| x Crypturellus |
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Crypturellus is a genus of tinamous.
Crypturellus is formed from the Greek words κρυπτός (kruptós), "covered" or "hidden", οὐρά (ourá), "tail", and -ellus, a Latin diminutive suffix. The genus name Crypturellus therefore means "small hidden tail".
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| x Abundance |
Abundance is an ecological concept referring to the relative representation of a species in a particular ecosystem. It is usually measured as the large number of individuals found per sample. How species abundances are distributed within an...
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| x Fledgling |
A fledgling is a young bird that has recently left its nest (it has fledged) but is still dependent upon parental care and feeding.
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| x Highland Tinamou |
The Highland Tinamou or Bonaparte's Tinamou, Nothocercus bonapartei is a type of ground bird found in montane moist forest typically over 1,500 m (4,900 ft) altitude.
All tinamou are from the family Tinamidae, and in the larger scheme are also...
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| x Arremon |
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Arremon is a genus of neotropical birds in the Emberizidae family. With the exception of the Green-striped Brush Finch, which is endemic to Mexico, all species are found in South America, a few reaching Central America.
This genus includes species...
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| x Buarremon |
Buarremon is a genus of perching birds in the family Emberizidae. Recent evidence indicates this genus should be merged into Arremon, but if recognized as a valid genus, it contains the following species:
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| x Brownish Flycatcher |
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The Brownish Twistwing (Cnipodectes subbrunneus), also known as the Brownish Flycatcher, is a species of bird in the Tyrannidae. It was the only member of the genus Cnipodectes until the description of Cnipodectes superrufus in 2007.
It is found in...
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| x Lysurus |
Lysurus is a genus of bird in the Emberizidae family. Recent evidence indicates this genus should be merged into Arremon, but if recognized as a valid genus, it contains the following species:
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| x Epinecrophylla |
Epinecrophylla is a genus of birds in the family Thamnophilidae. They were previously included in the genus Myrmotherula as the "Stipple-throated group". Epinecrophylla contains the following species:
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| x White-throated Thrush |
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The White-throated Thrush (Turdus assimilis) is a species of bird in the Turdidae family. It is found in Belize, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, and the United States. Its natural habitats...
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| x Black Thrush |
The Black Thrush (Turdus infuscatus) is a species of bird in the Turdidae family. It was formerly known as the Black Robin. It is found in El Salvador, Guatemala, Honduras, and Mexico. Its natural habitat is subtropical or tropical moist montane...
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| x Tinamus |
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Tinamus is a genus of birds in the Tinamou family. This genus comprises some of the larger members of this South American family.
The species in taxonomic order are:
Tinamus comes from the Galibi tribe and it is what they call the Tinamous.
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| x Nothocercus |
Nothocercus is a genus of birds in the Tinamou family. Most of this family are flightless birds, with nothocerus being the exception, as they can fly, albeit, not too well. This genus comprises three members of this South American family.
The...
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| x Predation of adult | ||
| x Predation of young | ||
| x Predation of egg | ||
| x % | ||
| x % Mayfield corrected | ||
| x Daily % | ||
| x Daily % Mayfield corrected | ||
| x Proportion Mayfield corrected | ||
| x BD-g5 |
Breeding distribution < 500,000 km2, or very restricted coastal areas or interior uplands
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| x BD-g1 |
Breeding distribution ≥ 4,000,000 km2 or > 8,000 km of coast
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| x BD-g2 |
Breeding distribution ≥ 2,000,000 and < 4,000,000 km2, or > 5,000 to ≤ 8,000 km of coast
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| x BD-g3 |
Breeding distribution ≥ 1,000,000 and < 2,000,000 km2, or >1,600 to ≤ 5,000 km of coast
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| x BD-g4 |
Breeding distribution ≥ 500,000 and < 1,000,000 km2, or ≤ 1,600 km of coast
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| x PS-g1 |
World breeding population ≥ 50,000,000
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| x PS-g2 |
World breeding population < 50,000,000 and ≥ 5,000,000
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| x PS-g3 |
World breeding population < 5,000,000 and ≥ 500,000
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| x PS-g4 |
World breeding population < 500,000 and ≥ 50,000
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| x PS-g5 |
World breeding population < 50,000
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| x PT-c1 |
>= 50% change over 30 yrs OR >= 1.36% equivalent % annual change OR "Large population increase"
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| x PT-c2 |
(15-49% increase OR < 15% change) over 30 yrs OR (0.47 to 1.36% OR -0.54 to 0.47%) equivalent % annual change OR "Possible or moderate population increase OR Population stable"
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| x PT-c3 |
(Highly variable OR Unknown) over 30 yrs OR (N/A) equivalent % annual change OR "Uncertain population trend"
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| x PT-c4 |
(15-49% decrease) over 30 yrs OR (<-0.54 to -2.28%) equivalent % annual change OR "Possible or moderate population decrease"
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| x PT-c5 |
(>50% decrease) over 30 yrs OR (<= -2.28 %) equivalent % annual change OR "Large population decrease"
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| x Breeding Bird Atlas |
Breeding Bird Atlases are population survey projects that are designed
to cover large areas using a grid-based system, and are generally organized at the state or provincial
level. Breeding evidence for each species is categorized as ...
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| x BBIRD Field Protocol |
Martin, T.E., C.R. Paine, C.J. Conway, W.M. Hochachka, P. Allen, and
W. Jenkins. 1997. BBIRD Field Protocol. Montana Cooperative Wildlife
Research Unit, University of Montana, Missoula, Montana, USA.
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| x Marshbird callback | ||
| x Mist net | ||
| x Nest monitoring | ||
| x Point count survey |
A method for sampling birds that typically involves one of more observers standing at a point in space marking observations of birds detected by sight and sound over a period of time. Detection times are often subdivided into 3, 5 and 10 minutes...
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| x Point transect survey | ||
